diff --git a/check-health.sh b/check-health.sh
index 33ee284b..02db18f3 100755
--- a/check-health.sh
+++ b/check-health.sh
@@ -189,12 +189,12 @@ if [ $? -eq 0 ]; then
                                 response3=$(cat "$response_file3")
 
                                 if $is_starknet; then
-                                    latest_block_timestamp_decimal3=$(echo "$response3" | jq -r '.result.timestamp')
+                                    ref_num=$(echo "$response3" | jq -r '.result.block_number // empty')
                                 elif $is_aztec; then
-                                    latest_block_timestamp_decimal3=$(echo "$response3" | jq -r '.result.header.globalVariables.timestamp')
+                                    ref_num=$(echo "$response3" | jq -r '.result.header.globalVariables.blockNumber // empty')
                                 else
-                                    latest_block_timestamp3=$(echo "$response3" | jq -r '.result.timestamp')
-                                    latest_block_timestamp_decimal3=$((16#${latest_block_timestamp3#0x}))
+                                    ref_num_hex=$(echo "$response3" | jq -r '.result.number // empty')
+                                    ref_num=$([ -n "$ref_num_hex" ] && printf '%d' "$ref_num_hex" 2>/dev/null)
                                 fi
 
 				# echo "refer: $latest_block_timestamp_decimal3"
@@ -205,25 +205,35 @@ if [ $? -eq 0 ]; then
 					response4=$(cat "$response_file4")
 
 					if $is_starknet; then
-					    latest_block_timestamp_decimal4=$(echo "$response4" | jq -r '.result.timestamp')
+					    local_num=$(echo "$response4" | jq -r '.result.block_number // empty')
 					elif $is_aztec; then
-					    latest_block_timestamp_decimal4=$(echo "$response4" | jq -r '.result.header.globalVariables.timestamp')
+					    local_num=$(echo "$response4" | jq -r '.result.header.globalVariables.blockNumber // empty')
 					else
-					    latest_block_timestamp4=$(echo "$response4" | jq -r '.result.timestamp')
-					    latest_block_timestamp_decimal4=$((16#${latest_block_timestamp4#0x}))
+					    local_num_hex=$(echo "$response4" | jq -r '.result.number // empty')
+					    local_num=$([ -n "$local_num_hex" ] && printf '%d' "$local_num_hex" 2>/dev/null)
 					fi
 
 					#echo "local: $latest_block_timestamp_decimal4"
 					rm "$response_file4"
 				
-					time_difference3=$(echo "scale=6; (${latest_block_timestamp_decimal3} - ${request_time3}) - (${latest_block_timestamp_decimal4} - ${request_time4})" | bc)
-
-					#echo "diff after network latency: $time_difference3 s"
-
-					if (( $(echo "$time_difference3 < 2" | bc -l) )); then
+					# Lag in BLOCKS between the reference head and the local head
+					# (positive => local behind). Compare against dRPC's own per-chain
+					# thresholds (LAGGING_LAG / SYNCING_LAG from chains.yaml via
+					# sync-status.sh) so our status matches the dRPC gateway's view.
+					# dRPC uses the two thresholds inconsistently (sometimes
+					# lagging<syncing, sometimes the reverse), so treat the smaller as
+					# the online boundary and the larger as the syncing/drop boundary.
+					if [ -z "$ref_num" ] || [ -z "$local_num" ]; then
+					    echo "error"
+					    exit 1
+					fi
+					lag=$(( ref_num - local_num ))
+					lo=${LAGGING_LAG:-2}; hi=${SYNCING_LAG:-6}
+					if [ "$lo" -gt "$hi" ]; then tmp=$lo; lo=$hi; hi=$tmp; fi
+					if [ "$lag" -le "$lo" ]; then
 					    echo "online"
 					    exit 0
-					elif (( $(echo "$time_difference3 < 5" | bc -l) )); then
+					elif [ "$lag" -le "$hi" ]; then
 					    echo "lagging"
 					    exit 0
 					else
diff --git a/multicurl.sh b/multicurl.sh
index e2b814d7..026c37ac 100755
--- a/multicurl.sh
+++ b/multicurl.sh
@@ -43,7 +43,11 @@ for url in "${urls[@]}"; do
     output=$(eval "curl -s ${options[@]@Q} '$url' --fail")
     if [[ $? -eq 0 ]]; then
 
-        if cat "$temp_file" | jq -e 'has("error")' > /dev/null 2>&1; then
+        # Skip and try the next reference URL when the response is a JSON-RPC error OR has a
+        # null result (a lagging endpoint that doesn't have the requested block/data yet).
+        # Without the result==null check the first endpoint's {"result":null} was accepted as
+        # success and the remaining fallback URLs were never tried.
+        if cat "$temp_file" | jq -e 'has("error") or (.result == null)' > /dev/null 2>&1; then
             continue  # Try the next URL
         fi
 
diff --git a/reference-rpc-endpoint.json b/reference-rpc-endpoint.json
index 0d968ed8..7932732d 100644
--- a/reference-rpc-endpoint.json
+++ b/reference-rpc-endpoint.json
@@ -1,12 +1,18 @@
 {
   "bitcoin": {
     "protocol": "bitcoin",
+    "block_time_ms": 600000,
+    "lagging_lag": 1,
+    "syncing_lag": 3,
     "urls": [
       "https://bitcoin.drpc.org"
     ]
   },
   "bitcoin-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 600000,
+    "lagging_lag": 1,
+    "syncing_lag": 3,
     "urls": [
       "https://bitcoin-testnet.drpc.org"
     ]
@@ -14,6 +20,9 @@
   "ethereum": {
     "protocol": "eth",
     "id": 1,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://api.mycryptoapi.com/eth",
       "https://cloudflare-eth.com",
@@ -34,6 +43,9 @@
   "sepolia": {
     "protocol": "eth",
     "id": 11155111,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.sepolia.org",
       "https://rpc2.sepolia.org",
@@ -47,6 +59,9 @@
   "holesky": {
     "protocol": "eth",
     "id": 17000,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.holesky.ethpandaops.io",
       "https://ethereum-holesky-rpc.publicnode.com",
@@ -57,6 +72,9 @@
   "hoodi": {
     "protocol": "eth",
     "id": 560048,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.hoodi.ethpandaops.io",
       "https://hoodi.drpc.org"
@@ -65,6 +83,9 @@
   "ethereum-classic": {
     "protocol": "eth",
     "id": 61,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://etc.rivet.link",
       "https://besu-at.etc-network.info",
@@ -77,6 +98,9 @@
   "fantom": {
     "protocol": "eth",
     "id": 250,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.ftm.tools",
       "https://fantom-rpc.publicnode.com",
@@ -86,6 +110,9 @@
   "fantom-testnet": {
     "protocol": "eth",
     "id": 4002,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.testnet.fantom.network",
       "https://fantom-testnet-rpc.publicnode.com",
@@ -95,6 +122,9 @@
   "polygon": {
     "protocol": "eth",
     "id": 137,
+    "block_time_ms": 2700,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://polygon.drpc.org",
       "https://rpc-mainnet.matic.quiknode.pro",
@@ -107,6 +137,9 @@
   "polygon-amoy": {
     "protocol": "eth",
     "id": 80002,
+    "block_time_ms": 2700,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc-amoy.polygon.technology",
       "https://polygon-amoy-bor-rpc.publicnode.com",
@@ -116,6 +149,9 @@
   "arbitrum": {
     "protocol": "eth",
     "id": 42161,
+    "block_time_ms": 260,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://arb-mainnet.g.alchemy.com/v2/${ALCHEMY_API_KEY}",
       "https://arb1.arbitrum.io/rpc",
@@ -127,6 +163,9 @@
   "arbitrum-sepolia": {
     "protocol": "eth",
     "id": 421614,
+    "block_time_ms": 260,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia-rollup.arbitrum.io/rpc",
       "https://arbitrum-sepolia-rpc.publicnode.com",
@@ -136,6 +175,9 @@
   "optimism": {
     "protocol": "eth",
     "id": 10,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet.optimism.io",
       "https://optimism-rpc.publicnode.com",
@@ -146,6 +188,9 @@
   "optimism-sepolia": {
     "protocol": "eth",
     "id": 11155420,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia.optimism.io",
       "https://optimism-sepolia.drpc.org"
@@ -154,6 +199,9 @@
   "bsc": {
     "protocol": "eth",
     "id": 56,
+    "block_time_ms": 750,
+    "lagging_lag": 50,
+    "syncing_lag": 1000,
     "urls": [
       "https://bsc-dataseed1.bnbchain.org",
       "https://bsc-dataseed2.bnbchain.org",
@@ -174,6 +222,9 @@
   "bsc-testnet": {
     "protocol": "eth",
     "id": 97,
+    "block_time_ms": 750,
+    "lagging_lag": 50,
+    "syncing_lag": 1000,
     "urls": [
       "https://data-seed-prebsc-1-s1.bnbchain.org:8545",
       "https://data-seed-prebsc-2-s1.bnbchain.org:8545",
@@ -188,6 +239,9 @@
   "polygon-zkevm": {
     "protocol": "eth",
     "id": 1101,
+    "block_time_ms": 2700,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://zkevm-rpc.com",
       "https://polygon-zkevm.drpc.org"
@@ -196,6 +250,9 @@
   "polygon-zkevm-cardona": {
     "protocol": "eth",
     "id": 2442,
+    "block_time_ms": 60000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.cardona.zkevm-rpc.com",
       "https://polygon-zkevm-cardona.drpc.org"
@@ -204,6 +261,9 @@
   "arbitrum-nova": {
     "protocol": "eth",
     "id": 42170,
+    "block_time_ms": 260,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://nova.arbitrum.io/rpc",
       "https://arbitrum-nova-rpc.publicnode.com",
@@ -213,6 +273,9 @@
   "zksync": {
     "protocol": "eth",
     "id": 324,
+    "block_time_ms": 5000,
+    "lagging_lag": 50,
+    "syncing_lag": 70,
     "urls": [
       "https://mainnet.era.zksync.io",
       "https://zksync.drpc.org"
@@ -221,6 +284,9 @@
   "zksync-sepolia": {
     "protocol": "eth",
     "id": 300,
+    "block_time_ms": 5000,
+    "lagging_lag": 50,
+    "syncing_lag": 70,
     "urls": [
       "https://sepolia.era.zksync.dev",
       "https://zksync-sepolia.drpc.org"
@@ -229,6 +295,9 @@
   "base": {
     "protocol": "eth",
     "id": 8453,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet.base.org/",
       "https://developer-access-mainnet.base.org/",
@@ -242,6 +311,9 @@
   "base-sepolia": {
     "protocol": "eth",
     "id": 84532,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia.base.org",
       "https://base-sepolia-rpc.publicnode.com",
@@ -251,6 +323,9 @@
   "linea": {
     "protocol": "eth",
     "id": 59144,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.linea.build",
       "https://linea-rpc.publicnode.com",
@@ -260,6 +335,9 @@
   "linea-sepolia": {
     "protocol": "eth",
     "id": 59141,
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.sepolia.linea.build",
       "https://linea-sepolia-rpc.publicnode.com",
@@ -269,6 +347,9 @@
   "gnosis": {
     "protocol": "eth",
     "id": 100,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.gnosischain.com",
       "https://rpc.gnosis.gateway.fm",
@@ -286,6 +367,9 @@
   "gnosis-chiado": {
     "protocol": "eth",
     "id": 10200,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.chiadochain.net",
       "https://rpc.chiado.gnosis.gateway.fm",
@@ -296,6 +380,9 @@
   "avalanche": {
     "protocol": "eth",
     "id": 43114,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://api.avax.network/ext/bc/C/rpc",
       "https://avalanche-c-chain-rpc.publicnode.com",
@@ -305,6 +392,9 @@
   "avalanche-fuji": {
     "protocol": "eth",
     "id": 43113,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://api.avax-test.network/ext/bc/C/rpc",
       "https://avalanche-fuji-c-chain-rpc.publicnode.com",
@@ -314,6 +404,9 @@
   "aurora": {
     "protocol": "eth",
     "id": 1313161554,
+    "block_time_ms": 1000,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://mainnet.aurora.dev",
       "https://aurora.drpc.org"
@@ -322,6 +415,9 @@
   "aurora-testnet": {
     "protocol": "eth",
     "id": 1313161555,
+    "block_time_ms": 1000,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://testnet.aurora.dev/",
       "https://aurora-testnet.drpc.org"
@@ -330,6 +426,9 @@
   "mantle": {
     "protocol": "eth",
     "id": 5000,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.mantle.xyz",
       "https://mantle-rpc.publicnode.com",
@@ -339,6 +438,9 @@
   "mantle-sepolia": {
     "protocol": "eth",
     "id": 5003,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.sepolia.mantle.xyz",
       "https://mantle-sepolia.drpc.org"
@@ -347,6 +449,9 @@
   "klaytn": {
     "protocol": "eth",
     "id": 8217,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://public-en.node.kaia.io",
       "https://klaytn.drpc.org"
@@ -355,6 +460,9 @@
   "klaytn-baobab": {
     "protocol": "eth",
     "id": 1001,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://public-en-kairos.node.kaia.io",
       "https://klaytn-baobab.drpc.org"
@@ -363,6 +471,9 @@
   "celo": {
     "protocol": "eth",
     "id": 42220,
+    "block_time_ms": 1000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://forno.celo.org",
       "https://celo.drpc.org"
@@ -371,6 +482,9 @@
   "celo-alfajores": {
     "protocol": "eth",
     "id": 44787,
+    "block_time_ms": 1000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://alfajores-forno.celo-testnet.org",
       "https://celo-alfajores.drpc.org"
@@ -379,6 +493,9 @@
   "celo-sepolia": {
     "protocol": "eth",
     "id": 11142220,
+    "block_time_ms": 1000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://forno.celo-sepolia.celo-testnet.org"
     ]
@@ -386,6 +503,9 @@
   "moonbeam": {
     "protocol": "eth",
     "id": 1284,
+    "block_time_ms": 6000,
+    "lagging_lag": 10,
+    "syncing_lag": 15,
     "urls": [
       "https://rpc.api.moonbeam.network",
       "https://moonbeam.public.blastapi.io",
@@ -399,6 +519,9 @@
   "moonbase-alpha": {
     "protocol": "eth",
     "id": 1287,
+    "block_time_ms": 6000,
+    "lagging_lag": 10,
+    "syncing_lag": 15,
     "urls": [
       "https://rpc.api.moonbase.moonbeam.network",
       "https://moonbase-alpha.public.blastapi.io",
@@ -411,6 +534,9 @@
   "moonriver": {
     "protocol": "eth",
     "id": 1285,
+    "block_time_ms": 6000,
+    "lagging_lag": 10,
+    "syncing_lag": 15,
     "urls": [
       "https://rpc.api.moonriver.moonbeam.network",
       "https://moonriver.public.blastapi.io",
@@ -424,6 +550,9 @@
   "scroll-sepolia": {
     "protocol": "eth",
     "id": 534351,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://sepolia-rpc.scroll.io",
       "https://rpc.ankr.com/scroll_sepolia_testnet",
@@ -436,6 +565,9 @@
   "scroll": {
     "protocol": "eth",
     "id": 534352,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.scroll.io",
       "https://rpc.ankr.com/scroll",
@@ -447,6 +579,9 @@
   "cronos": {
     "protocol": "eth",
     "id": 25,
+    "block_time_ms": 5000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://evm.cronos.org",
       "https://cronos-evm-rpc.publicnode.com",
@@ -456,6 +591,9 @@
   "cronos-testnet": {
     "protocol": "eth",
     "id": 338,
+    "block_time_ms": 5000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://evm-t3.cronos.org",
       "https://cronos-testnet.drpc.org"
@@ -464,6 +602,9 @@
   "metis": {
     "protocol": "eth",
     "id": 1088,
+    "block_time_ms": 30000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://andromeda.metis.io/?owner=1088",
       "https://metis.drpc.org",
@@ -473,6 +614,9 @@
   "metis-sepolia": {
     "protocol": "eth",
     "id": 59902,
+    "block_time_ms": 30000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://metis-sepolia.drpc.org"
     ]
@@ -480,6 +624,9 @@
   "opbnb": {
     "protocol": "eth",
     "id": 204,
+    "block_time_ms": 500,
+    "lagging_lag": 200,
+    "syncing_lag": 400,
     "urls": [
       "https://opbnb-mainnet-rpc.bnbchain.org",
       "https://opbnb-mainnet.nodereal.io/v1/64a9df0874fb4a93b9d0a3849de012d3",
@@ -491,6 +638,9 @@
   "opbnb-testnet": {
     "protocol": "eth",
     "id": 5611,
+    "block_time_ms": 500,
+    "lagging_lag": 200,
+    "syncing_lag": 400,
     "urls": [
       "https://opbnb-testnet-rpc.bnbchain.org",
       "https://opbnb-testnet.nodereal.io/v1/64a9df0874fb4a93b9d0a3849de012d3",
@@ -502,6 +652,9 @@
   "kava": {
     "protocol": "eth",
     "id": 2222,
+    "block_time_ms": 6000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://evm.kava.io",
       "https://kava-rpc.gateway.pokt.network",
@@ -515,6 +668,9 @@
   "kava-testnet": {
     "protocol": "eth",
     "id": 2221,
+    "block_time_ms": 6000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://evm.testnet.kava.io",
       "https://kava-evm-testnet.rpc.thirdweb.com",
@@ -523,6 +679,9 @@
   },
   "starknet": {
     "protocol": "starknet",
+    "block_time_ms": 20000,
+    "lagging_lag": 1,
+    "syncing_lag": 5,
     "urls": [
       "https://starknet.api.onfinality.io/public"
     ],
@@ -530,6 +689,9 @@
   },
   "starknet-sepolia": {
     "protocol": "starknet",
+    "block_time_ms": 20000,
+    "lagging_lag": 1,
+    "syncing_lag": 5,
     "urls": [
       "https://rpc.starknet-testnet.lava.build"
     ],
@@ -538,6 +700,9 @@
   "immutable-zkevm": {
     "protocol": "eth",
     "id": 13371,
+    "block_time_ms": 2000,
+    "lagging_lag": 1,
+    "syncing_lag": 5,
     "urls": [
       "https://rpc.immutable.com"
     ]
@@ -545,36 +710,54 @@
   "immutable-zkevm-testnet": {
     "protocol": "eth",
     "id": 13473,
+    "block_time_ms": 2000,
+    "lagging_lag": 1,
+    "syncing_lag": 5,
     "urls": [
       "https://rpc.testnet.immutable.com"
     ]
   },
   "vara": {
     "protocol": "polkadot",
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://vara.drpc.org"
     ]
   },
   "vara-testnet": {
     "protocol": "polkadot",
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://vara-testnet.drpc.org"
     ]
   },
   "solana": {
     "protocol": "solana",
+    "block_time_ms": 400,
+    "lagging_lag": 100,
+    "syncing_lag": 1000,
     "urls": [
       "https://solana.drpc.org"
     ]
   },
   "solana-testnet": {
     "protocol": "solana",
+    "block_time_ms": 400,
+    "lagging_lag": 100,
+    "syncing_lag": 1000,
     "urls": [
       "https://solana-testnet.drpc.org"
     ]
   },
   "solana-devnet": {
     "protocol": "solana",
+    "block_time_ms": 400,
+    "lagging_lag": 100,
+    "syncing_lag": 1000,
     "urls": [
       "https://solana-devnet.drpc.org"
     ]
@@ -582,6 +765,9 @@
   "haqq": {
     "protocol": "eth",
     "id": 11235,
+    "block_time_ms": 5900,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.eth.haqq.network",
       "https://haqq-evm-rpc.publicnode.com",
@@ -591,6 +777,9 @@
   "haqq-testnet": {
     "protocol": "eth",
     "id": 54211,
+    "block_time_ms": 5900,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.eth.testedge2.haqq.network",
       "https://haqq-testnet.drpc.org"
@@ -599,6 +788,9 @@
   "filecoin": {
     "protocol": "eth",
     "id": 314,
+    "block_time_ms": 60000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://api.node.glif.io/",
       "https://rpc.ankr.com/filecoin",
@@ -610,6 +802,9 @@
   "filecoin-calibration": {
     "protocol": "eth",
     "id": 314159,
+    "block_time_ms": 60000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://api.calibration.node.glif.io/rpc/v1",
       "https://rpc.ankr.com/filecoin_testnet",
@@ -622,6 +817,9 @@
   "fuse": {
     "protocol": "eth",
     "id": 122,
+    "block_time_ms": 5000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.fuse.io",
       "https://fuse.drpc.org"
@@ -630,6 +828,9 @@
   "taiko": {
     "protocol": "eth",
     "id": 167000,
+    "block_time_ms": 150000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.mainnet.taiko.xyz",
       "https://taiko-rpc.publicnode.com",
@@ -639,6 +840,9 @@
   "taiko-hoodi": {
     "protocol": "eth",
     "id": 167013,
+    "block_time_ms": 30000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.hoodi.taiko.xyz",
       "https://taiko-hoodi.drpc.org"
@@ -647,6 +851,9 @@
   "taiko-hekla": {
     "protocol": "eth",
     "id": 167009,
+    "block_time_ms": 30000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://taiko-hekla.drpc.org"
     ]
@@ -654,6 +861,9 @@
   "oktc": {
     "protocol": "eth",
     "id": 66,
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://exchainrpc.okex.org",
       "https://okc-mainnet.gateway.pokt.network/v1/lb/6275309bea1b320039c893ff",
@@ -663,6 +873,9 @@
   "oktc-testnet": {
     "protocol": "eth",
     "id": 65,
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://exchaintestrpc.okex.org",
       "https://oktc-testnet.drpc.org"
@@ -671,6 +884,9 @@
   "manta-pacific": {
     "protocol": "eth",
     "id": 169,
+    "block_time_ms": 10000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://pacific-rpc.manta.network/http",
       "https://manta-pacific.drpc.org"
@@ -679,6 +895,9 @@
   "manta-pacific-sepolia": {
     "protocol": "eth",
     "id": 3441006,
+    "block_time_ms": 10000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://pacific-rpc.sepolia-testnet.manta.network/http",
       "https://manta-pacific-sepolia.drpc.org"
@@ -687,6 +906,9 @@
   "alephzero": {
     "protocol": "eth",
     "id": 41455,
+    "block_time_ms": 60000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.alephzero.raas.gelato.cloud",
       "https://alephzero.drpc.org"
@@ -695,6 +917,9 @@
   "alephzero-sepolia": {
     "protocol": "eth",
     "id": 2039,
+    "block_time_ms": 60000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.alephzero-testnet.gelato.digital",
       "https://alephzero-sepolia.drpc.org"
@@ -703,6 +928,9 @@
   "everclear": {
     "protocol": "eth",
     "id": 25327,
+    "block_time_ms": 60000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.everclear.raas.gelato.cloud",
       "https://everclear.drpc.org"
@@ -711,6 +939,9 @@
   "everclear-sepolia": {
     "protocol": "eth",
     "id": 6398,
+    "block_time_ms": 60000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.connext-sepolia.gelato.digital/",
       "https://everclear-sepolia.drpc.org"
@@ -719,6 +950,9 @@
   "harmony-0": {
     "protocol": "eth",
     "id": 1666600000,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.harmony.one",
       "https://a.api.s0.t.hmny.io",
@@ -731,6 +965,9 @@
   "harmony-1": {
     "protocol": "eth",
     "id": 1666600001,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.s1.t.hmny.io",
       "https://harmony-1.drpc.org"
@@ -739,6 +976,9 @@
   "berachain": {
     "protocol": "eth",
     "id": 80094,
+    "block_time_ms": 6000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.berachain.com",
       "https://berachain-rpc.publicnode.com",
@@ -749,6 +989,9 @@
   "bartio": {
     "protocol": "eth",
     "id": 80084,
+    "block_time_ms": 6000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://bartio.drpc.org"
     ]
@@ -756,6 +999,9 @@
   "berachain-bepolia": {
     "protocol": "eth",
     "id": 80069,
+    "block_time_ms": 6000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://bepolia.rpc.berachain.com",
       "https://berachain-bepolia.drpc.org"
@@ -764,6 +1010,9 @@
   "blast": {
     "protocol": "eth",
     "id": 81457,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.blast.io",
       "https://rpc.ankr.com/blast",
@@ -777,6 +1026,9 @@
   "blast-sepolia": {
     "protocol": "eth",
     "id": 168587773,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia.blast.io",
       "https://blast-sepolia.drpc.org"
@@ -785,6 +1037,9 @@
   "lisk": {
     "protocol": "eth",
     "id": 1135,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.api.lisk.com",
       "https://lisk.drpc.org"
@@ -793,6 +1048,9 @@
   "lisk-sepolia": {
     "protocol": "eth",
     "id": 4202,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.sepolia-api.lisk.com",
       "https://lisk-sepolia.drpc.org"
@@ -801,6 +1059,9 @@
   "zora": {
     "protocol": "eth",
     "id": 7777777,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.zora.energy/",
       "https://zora.drpc.org"
@@ -809,6 +1070,9 @@
   "zora-sepolia": {
     "protocol": "eth",
     "id": 999999999,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia.rpc.zora.energy",
       "https://zora-sepolia.drpc.org"
@@ -817,6 +1081,9 @@
   "mode": {
     "protocol": "eth",
     "id": 34443,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet.mode.network",
       "https://mode.drpc.org"
@@ -825,6 +1092,9 @@
   "mode-testnet": {
     "protocol": "eth",
     "id": 919,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia.mode.network",
       "https://mode-testnet.drpc.org"
@@ -833,6 +1103,9 @@
   "evmos": {
     "protocol": "eth",
     "id": 9001,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://evmos.lava.build",
       "https://evmos-evm-rpc.publicnode.com",
@@ -842,6 +1115,9 @@
   "evmos-testnet": {
     "protocol": "eth",
     "id": 9000,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://evmos-testnet.lava.build",
       "https://eth.bd.evmos.dev:8545",
@@ -852,6 +1128,9 @@
   "ronin": {
     "protocol": "eth",
     "id": 2020,
+    "block_time_ms": 3000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://ronin.lgns.net/rpc"
     ]
@@ -859,6 +1138,9 @@
   "ronin-saigon": {
     "protocol": "eth",
     "id": 202601,
+    "block_time_ms": 3000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://ronin-testnet.gateway.tenderly.co"
     ]
@@ -866,6 +1148,9 @@
   "neon-evm": {
     "protocol": "eth",
     "id": 245022934,
+    "block_time_ms": 500,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://neon-proxy-mainnet.solana.p2p.org",
       "https://neon-evm.drpc.org"
@@ -874,6 +1159,9 @@
   "neon-evm-devnet": {
     "protocol": "eth",
     "id": 245022926,
+    "block_time_ms": 500,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://devnet.neonevm.org",
       "https://neon-evm-devnet.drpc.org"
@@ -882,6 +1170,9 @@
   "boba-eth": {
     "protocol": "eth",
     "id": 288,
+    "block_time_ms": 60000,
+    "lagging_lag": 1,
+    "syncing_lag": 5,
     "urls": [
       "https://mainnet.boba.network",
       "https://replica.boba.network",
@@ -893,6 +1184,9 @@
   "boba-bnb": {
     "protocol": "eth",
     "id": 56288,
+    "block_time_ms": 60000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://bnb.boba.network",
       "https://boba-bnb.gateway.tenderly.co/",
@@ -904,6 +1198,9 @@
   "heco": {
     "protocol": "eth",
     "id": 128,
+    "block_time_ms": 3000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://http-mainnet.hecochain.com",
       "https://heco.drpc.org"
@@ -912,6 +1209,9 @@
   "heco-testnet": {
     "protocol": "eth",
     "id": 256,
+    "block_time_ms": 3000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://http-testnet.hecochain.com",
       "https://heco-testnet.drpc.org"
@@ -920,6 +1220,9 @@
   "playnance": {
     "protocol": "eth",
     "id": 1829,
+    "block_time_ms": 15000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.playblock.io",
       "https://playnance.drpc.org"
@@ -928,6 +1231,9 @@
   "playnance-testnet": {
     "protocol": "eth",
     "id": 80998896642,
+    "block_time_ms": 15000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://playnance-testnet.drpc.org"
     ]
@@ -935,6 +1241,9 @@
   "zeta-chain": {
     "protocol": "eth",
     "id": 7000,
+    "block_time_ms": 6000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://zetachain-evm.blockpi.network/v1/rpc/public",
       "https://zetachain-mainnet.g.allthatnode.com/archive/evm",
@@ -946,6 +1255,9 @@
   "zeta-chain-testnet": {
     "protocol": "eth",
     "id": 7001,
+    "block_time_ms": 6000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://zetachain-athens-evm.blockpi.network/v1/rpc/public",
       "https://zetachain-testnet.public.blastapi.io",
@@ -957,6 +1269,9 @@
   "bittorrent": {
     "protocol": "eth",
     "id": 199,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.bt.io",
       "https://bittorrent.drpc.org"
@@ -965,6 +1280,9 @@
   "bittorrent-testnet": {
     "protocol": "eth",
     "id": 1029,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://pre-rpc.bt.io",
       "https://bittorrent-testnet.drpc.org"
@@ -973,6 +1291,9 @@
   "thundercore": {
     "protocol": "eth",
     "id": 108,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet-rpc.thundercore.com",
       "https://mainnet-rpc.thundertoken.net",
@@ -983,6 +1304,9 @@
   "thundercore-testnet": {
     "protocol": "eth",
     "id": 18,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://testnet-rpc.thundercore.com",
       "https://thundercore-testnet.drpc.org"
@@ -991,6 +1315,9 @@
   "core": {
     "protocol": "eth",
     "id": 1116,
+    "block_time_ms": 3000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.coredao.org/",
       "https://rpc-core.icecreamswap.com",
@@ -1000,6 +1327,9 @@
   "core-testnet": {
     "protocol": "eth",
     "id": 1115,
+    "block_time_ms": 3000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.test.btcs.network"
     ]
@@ -1007,6 +1337,9 @@
   "telos": {
     "protocol": "eth",
     "id": 40,
+    "block_time_ms": 300,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.telos.net",
       "https://telos.drpc.org"
@@ -1015,6 +1348,9 @@
   "telos-testnet": {
     "protocol": "eth",
     "id": 41,
+    "block_time_ms": 300,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.telos.net",
       "https://telos-testnet.drpc.org"
@@ -1022,18 +1358,27 @@
   },
   "near": {
     "protocol": "near",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://near.drpc.org"
     ]
   },
   "near-testnet": {
     "protocol": "near",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://near-testnet.drpc.org"
     ]
   },
   "near-betanet": {
     "protocol": "near",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://near-betanet.drpc.org"
     ]
@@ -1041,6 +1386,9 @@
   "opcelestia-raspberry-testnet": {
     "protocol": "eth",
     "id": 123420111,
+    "block_time_ms": 15000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.opcelestia-raspberry.gelato.digital",
       "https://opcelestia-raspberry-testnet.drpc.org"
@@ -1049,6 +1397,9 @@
   "arb-blueberry-testnet": {
     "protocol": "eth",
     "id": 88153591557,
+    "block_time_ms": 15000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.arb-blueberry.gelato.digital",
       "https://arb-blueberry-testnet.drpc.org"
@@ -1057,6 +1408,9 @@
   "polygon-blackberry-testnet": {
     "protocol": "eth",
     "id": 94204209,
+    "block_time_ms": 15000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.polygon-blackberry.gelato.digital",
       "https://polygon-blackberry-testnet.drpc.org"
@@ -1065,6 +1419,9 @@
   "dymension": {
     "protocol": "eth",
     "id": 1100,
+    "block_time_ms": 4000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://dymension-evm.blockpi.network/v1/rpc/public",
       "https://dymension-evm-rpc.publicnode.com",
@@ -1073,24 +1430,36 @@
   },
   "eth-beacon-chain": {
     "protocol": "eth-beacon-chain",
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://eth-beacon-chain.drpc.org"
     ]
   },
   "eth-beacon-chain-sepolia": {
     "protocol": "eth-beacon-chain",
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://eth-beacon-chain-sepolia.drpc.org"
     ]
   },
   "eth-beacon-chain-holesky": {
     "protocol": "eth-beacon-chain",
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://eth-beacon-chain-holesky.drpc.org"
     ]
   },
   "eth-beacon-chain-hoodi": {
     "protocol": "eth-beacon-chain",
+    "block_time_ms": 12000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://eth-beacon-chain-hoodi.drpc.org"
     ]
@@ -1098,6 +1467,9 @@
   "real": {
     "protocol": "eth",
     "id": 111188,
+    "block_time_ms": 15000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.realforreal.gelato.digital",
       "https://tangible-real.gateway.tenderly.co",
@@ -1106,48 +1478,72 @@
   },
   "cosmos-hub": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://cosmos-hub.drpc.org"
     ]
   },
   "cosmos-hub-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://cosmos-hub-testnet.drpc.org"
     ]
   },
   "axelar": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://axelar.drpc.org"
     ]
   },
   "axelar-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://axelar-testnet.drpc.org"
     ]
   },
   "osmosis": {
     "protocol": "cosmos",
+    "block_time_ms": 2000,
+    "lagging_lag": 2,
+    "syncing_lag": 10,
     "urls": [
       "https://osmosis.drpc.org"
     ]
   },
   "osmosis-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 2000,
+    "lagging_lag": 2,
+    "syncing_lag": 10,
     "urls": [
       "https://osmosis-testnet.drpc.org"
     ]
   },
   "neutron": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://neutron.drpc.org"
     ]
   },
   "neutron-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://neutron-testnet.drpc.org"
     ]
@@ -1155,6 +1551,9 @@
   "rootstock": {
     "protocol": "eth",
     "id": 30,
+    "block_time_ms": 45000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://public-node.rsk.co",
       "https://mycrypto.rsk.co",
@@ -1164,6 +1563,9 @@
   "rootstock-testnet": {
     "protocol": "eth",
     "id": 31,
+    "block_time_ms": 45000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://public-node.testnet.rsk.co",
       "https://mycrypto.testnet.rsk.co",
@@ -1173,6 +1575,9 @@
   "open-campus-codex-sepolia": {
     "protocol": "eth",
     "id": 656476,
+    "block_time_ms": 1200000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.open-campus-codex.gelato.digital",
       "https://open-campus-codex-sepolia.drpc.org"
@@ -1181,6 +1586,9 @@
   "gameswift-testnet": {
     "protocol": "eth",
     "id": 10888,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc-testnet.gameswift.io",
       "https://gameswift-testnet.drpc.org"
@@ -1189,6 +1597,9 @@
   "zircuit-mainnet": {
     "protocol": "eth",
     "id": 48900,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://mainnet.zircuit.com",
       "https://zircuit-mainnet.drpc.org"
@@ -1197,6 +1608,9 @@
   "zircuit-testnet": {
     "protocol": "eth",
     "id": 48899,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://zircuit-testnet.drpc.org"
     ]
@@ -1204,6 +1618,9 @@
   "zircuit-garfield-testnet": {
     "protocol": "eth",
     "id": 48898,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://garfield-testnet.zircuit.com/",
       "https://zircuit-garfield-testnet.drpc.org"
@@ -1211,12 +1628,18 @@
   },
   "avail": {
     "protocol": "polkadot",
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://avail.drpc.org"
     ]
   },
   "avail-testnet": {
     "protocol": "polkadot",
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://avail-testnet.drpc.org"
     ]
@@ -1224,6 +1647,9 @@
   "fraxtal-testnet": {
     "protocol": "eth",
     "id": 2523,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.testnet.frax.com",
       "https://fraxtal-testnet.drpc.org"
@@ -1232,6 +1658,9 @@
   "fraxtal": {
     "protocol": "eth",
     "id": 252,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.frax.com",
       "https://fraxtal-rpc.publicnode.com",
@@ -1241,6 +1670,9 @@
   "tron": {
     "protocol": "eth",
     "id": 728126428,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.ankr.com/tron_jsonrpc",
       "https://api.trongrid.io/jsonrpc",
@@ -1250,6 +1682,9 @@
   "tron-shasta": {
     "protocol": "eth",
     "id": 2494104990,
+    "block_time_ms": 2000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://api.shasta.trongrid.io/jsonrpc",
       "https://tron-shasta.drpc.org"
@@ -1258,6 +1693,9 @@
   "kroma": {
     "protocol": "eth",
     "id": 255,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.kroma.network",
       "https://rpc-kroma.rockx.com",
@@ -1267,6 +1705,9 @@
   "kroma-sepolia": {
     "protocol": "eth",
     "id": 2358,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.sepolia.kroma.network",
       "https://kroma-sepolia.drpc.org"
@@ -1275,6 +1716,9 @@
   "wemix": {
     "protocol": "eth",
     "id": 1111,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.wemix.com",
       "https://wemix.drpc.org"
@@ -1283,6 +1727,9 @@
   "wemix-testnet": {
     "protocol": "eth",
     "id": 1112,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.test.wemix.com",
       "https://wemix-testnet.drpc.org"
@@ -1290,12 +1737,18 @@
   },
   "polkadot": {
     "protocol": "polkadot",
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://polkadot.drpc.org"
     ]
   },
   "kusama": {
     "protocol": "polkadot",
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://kusama.drpc.org"
     ]
@@ -1303,6 +1756,9 @@
   "metall2": {
     "protocol": "eth",
     "id": 1750,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.metall2.com",
       "https://metall2.drpc.org"
@@ -1311,6 +1767,9 @@
   "metall2-testnet": {
     "protocol": "eth",
     "id": 1740,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://testnet.rpc.metall2.com",
       "https://metall2-testnet.drpc.org"
@@ -1319,6 +1778,9 @@
   "bob": {
     "protocol": "eth",
     "id": 60808,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.gobob.xyz",
       "https://bob-mainnet.public.blastapi.io",
@@ -1328,6 +1790,9 @@
   "bob-testnet": {
     "protocol": "eth",
     "id": 808813,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://bob-sepolia.rpc.gobob.xyz",
       "https://bob-testnet.drpc.org"
@@ -1336,6 +1801,9 @@
   "goat-testnet3": {
     "protocol": "eth",
     "id": 48816,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet3.goat.network"
     ]
@@ -1343,6 +1811,9 @@
   "goat-mainnet-alpha": {
     "protocol": "eth",
     "id": 2345,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.goat.network",
       "https://goat-mainnet-alpha.drpc.org"
@@ -1351,6 +1822,9 @@
   "snaxchain": {
     "protocol": "eth",
     "id": 2192,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet.snaxchain.io",
       "https://snaxchain.drpc.org"
@@ -1359,6 +1833,9 @@
   "xlayer": {
     "protocol": "eth",
     "id": 196,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.xlayer.tech",
       "https://xlayerrpc.okx.com",
@@ -1368,6 +1845,9 @@
   "xlayer-testnet": {
     "protocol": "eth",
     "id": 1952,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://testrpc.xlayer.tech"
     ]
@@ -1375,6 +1855,9 @@
   "sei": {
     "protocol": "eth",
     "id": 1329,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://evm-rpc.sei-apis.com",
       "https://sei.drpc.org"
@@ -1383,6 +1866,9 @@
   "sei-devnet": {
     "protocol": "eth",
     "id": 713715,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://evm-rpc-arctic-1.sei-apis.com",
       "https://evm-rpc.arctic-1.seinetwork.io",
@@ -1392,6 +1878,9 @@
   "sei-testnet": {
     "protocol": "eth",
     "id": 1328,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://evm-rpc-testnet.sei-apis.com",
       "https://sei-testnet.drpc.org"
@@ -1399,12 +1888,18 @@
   },
   "ton": {
     "protocol": "ton",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://ton.drpc.org"
     ]
   },
   "ton-testnet": {
     "protocol": "ton",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://ton-testnet.drpc.org"
     ]
@@ -1412,6 +1907,9 @@
   "sonic-testnet": {
     "protocol": "eth",
     "id": 57054,
+    "block_time_ms": 300,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.blaze.soniclabs.com",
       "https://sonic-blaze-rpc.publicnode.com",
@@ -1421,6 +1919,9 @@
   "sonic-testnet-v2": {
     "protocol": "eth",
     "id": 14601,
+    "block_time_ms": 300,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.soniclabs.com"
     ]
@@ -1428,6 +1929,9 @@
   "sonic": {
     "protocol": "eth",
     "id": 146,
+    "block_time_ms": 300,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.soniclabs.com",
       "https://sonic-rpc.publicnode.com",
@@ -1437,6 +1941,9 @@
   "lens-testnet": {
     "protocol": "eth",
     "id": 37111,
+    "block_time_ms": 60000,
+    "lagging_lag": 50,
+    "syncing_lag": 70,
     "urls": [
       "https://rpc.testnet.lens.dev",
       "https://lens-testnet.drpc.org"
@@ -1445,6 +1952,9 @@
   "lens": {
     "protocol": "eth",
     "id": 232,
+    "block_time_ms": 5000,
+    "lagging_lag": 50,
+    "syncing_lag": 70,
     "urls": [
       "https://rpc.lens.xyz",
       "https://lens.drpc.org"
@@ -1453,6 +1963,9 @@
   "unichain": {
     "protocol": "eth",
     "id": 130,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://mainnet.unichain.org",
       "https://unichain-rpc.publicnode.com",
@@ -1462,6 +1975,9 @@
   "unichain-sepolia": {
     "protocol": "eth",
     "id": 1301,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://sepolia.unichain.org",
       "https://unichain-sepolia-rpc.publicnode.com",
@@ -1471,6 +1987,9 @@
   "apechain": {
     "protocol": "eth",
     "id": 33139,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.apechain.com",
       "https://apechain.drpc.org"
@@ -1479,6 +1998,9 @@
   "apechain-curtis": {
     "protocol": "eth",
     "id": 33111,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.curtis.apechain.com",
       "https://apechain-curtis.drpc.org"
@@ -1487,6 +2009,9 @@
   "soneium": {
     "protocol": "eth",
     "id": 1868,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.soneium.org",
       "https://soneium.drpc.org"
@@ -1495,6 +2020,9 @@
   "soneium-minato": {
     "protocol": "eth",
     "id": 1946,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.minato.soneium.org",
       "https://soneium-minato.drpc.org"
@@ -1503,6 +2031,9 @@
   "zero": {
     "protocol": "eth",
     "id": 543210,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.zerion.io/v1/zero",
       "https://zero.drpc.org"
@@ -1511,6 +2042,9 @@
   "worldchain": {
     "protocol": "eth",
     "id": 480,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://worldchain-mainnet.g.alchemy.com/public",
       "https://480.rpc.thirdweb.com",
@@ -1521,6 +2055,9 @@
   "worldchain-sepolia": {
     "protocol": "eth",
     "id": 4801,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://worldchain-sepolia.g.alchemy.com/public",
       "https://4801.rpc.thirdweb.com",
@@ -1531,6 +2068,9 @@
   "cronos-zkevm": {
     "protocol": "eth",
     "id": 388,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://mainnet.zkevm.cronos.org",
       "https://cronos-zkevm.drpc.org"
@@ -1539,6 +2079,9 @@
   "cronos-zkevm-testnet": {
     "protocol": "eth",
     "id": 240,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://testnet.zkevm.cronos.org",
       "https://cronos-zkevm-testnet.drpc.org"
@@ -1547,6 +2090,9 @@
   "viction": {
     "protocol": "eth",
     "id": 88,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.viction.xyz",
       "https://viction.drpc.org"
@@ -1555,6 +2101,9 @@
   "viction-testnet": {
     "protocol": "eth",
     "id": 89,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc-testnet.viction.xyz",
       "https://viction-testnet.drpc.org"
@@ -1563,6 +2112,9 @@
   "megaeth": {
     "protocol": "eth",
     "id": 4326,
+    "block_time_ms": 1000,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://mainnet.megaeth.com/rpc",
       "https://megaeth.drpc.org"
@@ -1571,6 +2123,9 @@
   "megaeth-testnet": {
     "protocol": "eth",
     "id": 6343,
+    "block_time_ms": 1000,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://carrot.megaeth.com/rpc",
       "https://megaeth-testnet.drpc.org"
@@ -1579,6 +2134,9 @@
   "megaeth-deprecated": {
     "protocol": "eth",
     "id": 6342,
+    "block_time_ms": 1000,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://megaeth-deprecated.drpc.org"
     ]
@@ -1586,6 +2144,9 @@
   "0g-mainnet": {
     "protocol": "eth",
     "id": 16661,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://evmrpc.0g.ai",
       "https://0g-mainnet.drpc.org"
@@ -1594,6 +2155,9 @@
   "0g-newton-testnet": {
     "protocol": "eth",
     "id": 16600,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://0g-newton-testnet.drpc.org"
     ]
@@ -1601,6 +2165,9 @@
   "0g-galileo-testnet": {
     "protocol": "eth",
     "id": 16602,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://evmrpc-testnet.0g.ai"
     ]
@@ -1608,6 +2175,9 @@
   "superseed": {
     "protocol": "eth",
     "id": 5330,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet.superseed.xyz",
       "https://superseed.drpc.org"
@@ -1616,6 +2186,9 @@
   "superseed-sepolia": {
     "protocol": "eth",
     "id": 53302,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://sepolia.superseed.xyz",
       "https://superseed-sepolia.drpc.org"
@@ -1624,6 +2197,9 @@
   "ink": {
     "protocol": "eth",
     "id": 57073,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc-gel.inkonchain.com",
       "https://rpc-qnd.inkonchain.com",
@@ -1633,6 +2209,9 @@
   "ink-sepolia": {
     "protocol": "eth",
     "id": 763373,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc-gel-sepolia.inkonchain.com",
       "https://ink-sepolia.drpc.org"
@@ -1641,6 +2220,9 @@
   "abstract": {
     "protocol": "eth",
     "id": 2741,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.mainnet.abs.xyz",
       "https://abstract.drpc.org"
@@ -1649,6 +2231,9 @@
   "abstract-sepolia": {
     "protocol": "eth",
     "id": 11124,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://api.testnet.abs.xyz",
       "https://abstract-sepolia.drpc.org"
@@ -1657,6 +2242,9 @@
   "hashkey": {
     "protocol": "eth",
     "id": 177,
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://mainnet.hsk.xyz",
       "https://hashkey.drpc.org"
@@ -1665,6 +2253,9 @@
   "hashkey-testnet": {
     "protocol": "eth",
     "id": 133,
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://testnet.hsk.xyz"
     ]
@@ -1672,6 +2263,9 @@
   "gravity-alpha": {
     "protocol": "eth",
     "id": 1625,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://rpc.gravity.xyz",
       "https://rpc.ankr.com/gravity",
@@ -1681,6 +2275,9 @@
   "gravity-alpha-sepolia": {
     "protocol": "eth",
     "id": 13505,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://rpc-sepolia.gravity.xyz",
       "https://gravity-alpha-sepolia.drpc.org"
@@ -1689,6 +2286,9 @@
   "hyperliquid": {
     "protocol": "eth",
     "id": 999,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://rpc.hyperliquid.xyz/evm"
     ]
@@ -1696,6 +2296,9 @@
   "hyperliquid-testnet": {
     "protocol": "eth",
     "id": 998,
+    "block_time_ms": 200,
+    "lagging_lag": 30,
+    "syncing_lag": 100,
     "urls": [
       "https://api.hyperliquid-testnet.xyz/evm",
       "https://hyperliquid-testnet.drpc.org"
@@ -1704,6 +2307,9 @@
   "merlin": {
     "protocol": "eth",
     "id": 4200,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.merlinchain.io",
       "https://merlin-mainnet-enterprise.unifra.io",
@@ -1714,6 +2320,9 @@
   "merlin-testnet": {
     "protocol": "eth",
     "id": 686868,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.wonnetwork.org",
       "https://merlin-testnet.drpc.org"
@@ -1722,6 +2331,9 @@
   "mezo": {
     "protocol": "eth",
     "id": 31612,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc_evm-mezo.imperator.co",
       "https://mezo-mainnet.boar.network",
@@ -1733,6 +2345,9 @@
   "mezo-testnet": {
     "protocol": "eth",
     "id": 31611,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.test.mezo.org",
       "https://mezo-testnet.drpc.org"
@@ -1741,6 +2356,9 @@
   "plume": {
     "protocol": "eth",
     "id": 98866,
+    "block_time_ms": 400,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.plume.org",
       "https://plume.drpc.org"
@@ -1749,6 +2367,9 @@
   "plume-testnet": {
     "protocol": "eth",
     "id": 98867,
+    "block_time_ms": 400,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://testnet-rpc.plume.org",
       "https://plume-testnet.drpc.org"
@@ -1757,6 +2378,9 @@
   "monad-mainnet": {
     "protocol": "eth",
     "id": 143,
+    "block_time_ms": 1000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.monad.xyz",
       "https://monad-mainnet.drpc.org"
@@ -1765,6 +2389,9 @@
   "monad-testnet": {
     "protocol": "eth",
     "id": 10143,
+    "block_time_ms": 1000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://testnet-rpc.monad.xyz",
       "https://monad-testnet.drpc.org"
@@ -1772,48 +2399,72 @@
   },
   "dogecoin": {
     "protocol": "bitcoin",
+    "block_time_ms": 60000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://dogecoin.drpc.org"
     ]
   },
   "dogecoin-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://dogecoin-testnet.drpc.org"
     ]
   },
   "litecoin": {
     "protocol": "bitcoin",
+    "block_time_ms": 180000,
+    "lagging_lag": 2,
+    "syncing_lag": 5,
     "urls": [
       "https://litecoin.drpc.org"
     ]
   },
   "litecoin-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 180000,
+    "lagging_lag": 2,
+    "syncing_lag": 5,
     "urls": [
       "https://litecoin-testnet.drpc.org"
     ]
   },
   "bitcoin-cash": {
     "protocol": "bitcoin",
+    "block_time_ms": 600000,
+    "lagging_lag": 1,
+    "syncing_lag": 3,
     "urls": [
       "https://bitcoin-cash.drpc.org"
     ]
   },
   "bitcoin-cash-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 600000,
+    "lagging_lag": 1,
+    "syncing_lag": 3,
     "urls": [
       "https://bitcoin-cash-testnet.drpc.org"
     ]
   },
   "ripple": {
     "protocol": "ripple",
+    "block_time_ms": 4000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://ripple.drpc.org"
     ]
   },
   "ripple-testnet": {
     "protocol": "ripple",
+    "block_time_ms": 4000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://ripple-testnet.drpc.org"
     ]
@@ -1821,6 +2472,9 @@
   "swell": {
     "protocol": "eth",
     "id": 1923,
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://swell-mainnet.alt.technology",
       "https://rpc.ankr.com/swell",
@@ -1830,6 +2484,9 @@
   "swell-testnet": {
     "protocol": "eth",
     "id": 1924,
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://swell-testnet.alt.technology",
       "https://rpc.ankr.com/swell-testnet",
@@ -1838,12 +2495,18 @@
   },
   "kadena": {
     "protocol": "kadena",
+    "block_time_ms": 3000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://kadena.drpc.org"
     ]
   },
   "kadena-testnet": {
     "protocol": "kadena",
+    "block_time_ms": 3000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://kadena-testnet.drpc.org"
     ]
@@ -1851,6 +2514,9 @@
   "ozean-poseidon-testnet": {
     "protocol": "eth",
     "id": 31911,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://ozean-poseidon-testnet.drpc.org"
     ]
@@ -1858,6 +2524,9 @@
   "hemi": {
     "protocol": "eth",
     "id": 43111,
+    "block_time_ms": 12000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.hemi.network/rpc",
       "https://hemi.drpc.org"
@@ -1866,6 +2535,9 @@
   "hemi-testnet": {
     "protocol": "eth",
     "id": 743111,
+    "block_time_ms": 12000,
+    "lagging_lag": 20,
+    "syncing_lag": 10,
     "urls": [
       "https://testnet.rpc.hemi.network/rpc",
       "https://hemi-testnet.drpc.org"
@@ -1873,12 +2545,18 @@
   },
   "gnosis-beacon-chain": {
     "protocol": "eth-beacon-chain",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://gnosis-beacon-chain.drpc.org"
     ]
   },
   "gnosis-chiado-beacon-chain": {
     "protocol": "eth-beacon-chain",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://gnosis-chiado-beacon-chain.drpc.org"
     ]
@@ -1886,6 +2564,9 @@
   "shibarium": {
     "protocol": "eth",
     "id": 109,
+    "block_time_ms": 5000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.shibrpc.com",
       "https://shib.nownodes.io",
@@ -1895,6 +2576,9 @@
   "plasma": {
     "protocol": "eth",
     "id": 9745,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.plasma.to",
       "https://plasma.drpc.org"
@@ -1903,6 +2587,9 @@
   "plasma-testnet": {
     "protocol": "eth",
     "id": 9746,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://testnet-rpc.plasma.to",
       "https://plasma-testnet.drpc.org"
@@ -1911,6 +2598,9 @@
   "katana": {
     "protocol": "eth",
     "id": 747474,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.katana.network",
       "https://katana.gateway.tenderly.co/",
@@ -1921,6 +2611,9 @@
   "katana-testnet": {
     "protocol": "eth",
     "id": 737373,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc-bokuto.katanarpc.com",
       "https://katana-testnet.drpc.org"
@@ -1929,6 +2622,9 @@
   "doma": {
     "protocol": "eth",
     "id": 97477,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.doma.xyz",
       "https://doma.drpc.org"
@@ -1937,6 +2633,9 @@
   "doma-testnet": {
     "protocol": "eth",
     "id": 97476,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc-testnet.doma.xyz",
       "https://doma-testnet.drpc.org"
@@ -1945,6 +2644,9 @@
   "sophon": {
     "protocol": "eth",
     "id": 50104,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.sophon.xyz",
       "https://sophon.drpc.org"
@@ -1953,6 +2655,9 @@
   "sophon-testnet": {
     "protocol": "eth",
     "id": 531050104,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.sophon.xyz",
       "https://sophon-testnet.drpc.org"
@@ -1961,6 +2666,9 @@
   "arc": {
     "protocol": "eth",
     "id": 5042,
+    "block_time_ms": 1000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://arc.drpc.org"
     ]
@@ -1968,6 +2676,9 @@
   "arc-testnet": {
     "protocol": "eth",
     "id": 5042002,
+    "block_time_ms": 1000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.testnet.arc.network",
       "https://rpc.quicknode.testnet.arc.network",
@@ -1978,6 +2689,9 @@
   "dogeos-testnet": {
     "protocol": "eth",
     "id": 6281971,
+    "block_time_ms": 3000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://dogeos-testnet.drpc.org"
     ]
@@ -1985,6 +2699,9 @@
   "somnia": {
     "protocol": "eth",
     "id": 5031,
+    "block_time_ms": 100,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://api.infra.mainnet.somnia.network",
       "https://somnia.drpc.org"
@@ -1993,6 +2710,9 @@
   "somnia-testnet": {
     "protocol": "eth",
     "id": 50312,
+    "block_time_ms": 100,
+    "lagging_lag": 40,
+    "syncing_lag": 80,
     "urls": [
       "https://dream-rpc.somnia.network",
       "https://somnia-testnet.drpc.org"
@@ -2001,6 +2721,9 @@
   "bittensor": {
     "protocol": "eth",
     "id": 964,
+    "block_time_ms": 12000,
+    "lagging_lag": 2,
+    "syncing_lag": 10,
     "urls": [
       "https://lite.chain.opentensor.ai",
       "https://bittensor.drpc.org"
@@ -2009,6 +2732,9 @@
   "bittensor-testnet": {
     "protocol": "eth",
     "id": 945,
+    "block_time_ms": 12000,
+    "lagging_lag": 2,
+    "syncing_lag": 10,
     "urls": [
       "https://test.chain.opentensor.ai",
       "https://bittensor-testnet.drpc.org"
@@ -2017,6 +2743,9 @@
   "iotex": {
     "protocol": "eth",
     "id": 4689,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://babel-api.mainnet.iotex.io",
       "https://iotex.drpc.org"
@@ -2025,6 +2754,9 @@
   "iotex-testnet": {
     "protocol": "eth",
     "id": 4690,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://babel-api.testnet.iotex.io",
       "https://iotex-testnet.drpc.org"
@@ -2033,6 +2765,9 @@
   "xrpl": {
     "protocol": "eth",
     "id": 1440000,
+    "block_time_ms": 4000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.xrplevm.org",
       "https://xrpl.drpc.org"
@@ -2041,6 +2776,9 @@
   "xrpl-testnet": {
     "protocol": "eth",
     "id": 1449000,
+    "block_time_ms": 4000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.xrplevm.org",
       "https://xrpl-testnet.drpc.org"
@@ -2049,6 +2787,9 @@
   "xrpl-devnet": {
     "protocol": "eth",
     "id": 1440002,
+    "block_time_ms": 4000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.devnet.xrplevm.org",
       "https://xrpl-devnet.drpc.org"
@@ -2057,6 +2798,9 @@
   "tempo-mainnet": {
     "protocol": "eth",
     "id": 4217,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.mainnet.tempo.xyz",
       "https://tempo-mainnet.drpc.org"
@@ -2065,6 +2809,9 @@
   "tempo-testnet": {
     "protocol": "eth",
     "id": 42429,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.tempo.xyz",
       "https://tempo-testnet.drpc.org"
@@ -2073,6 +2820,9 @@
   "tempo-moderato-testnet": {
     "protocol": "eth",
     "id": 42431,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.moderato.tempo.xyz",
       "https://tempo-moderato-testnet.drpc.org"
@@ -2081,6 +2831,9 @@
   "xdc": {
     "protocol": "eth",
     "id": 50,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://erpc.xinfin.network",
       "https://rpc.xinfin.network",
@@ -2095,6 +2848,9 @@
   "xdc-testnet": {
     "protocol": "eth",
     "id": 51,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://rpc.apothem.network",
       "https://erpc.apothem.network",
@@ -2105,6 +2861,9 @@
   "creditcoin": {
     "protocol": "eth",
     "id": 102030,
+    "block_time_ms": 15000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://mainnet3.creditcoin.network",
       "https://creditcoin.drpc.org"
@@ -2113,6 +2872,9 @@
   "creditcoin-testnet": {
     "protocol": "eth",
     "id": 102031,
+    "block_time_ms": 15000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.cc3-testnet.creditcoin.network",
       "https://creditcoin-testnet.drpc.org"
@@ -2121,6 +2883,9 @@
   "creditcoin-devnet": {
     "protocol": "eth",
     "id": 102032,
+    "block_time_ms": 15000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.cc3-devnet.creditcoin.network",
       "https://creditcoin-devnet.drpc.org"
@@ -2129,6 +2894,9 @@
   "flare": {
     "protocol": "eth",
     "id": 14,
+    "block_time_ms": 1500,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://flare-api.flare.network/ext/C/rpc",
       "https://flare.rpc.thirdweb.com",
@@ -2145,6 +2913,9 @@
   "flare-testnet": {
     "protocol": "eth",
     "id": 114,
+    "block_time_ms": 1500,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://coston2-api.flare.network/ext/C/rpc",
       "https://flare-testnet-coston2.rpc.thirdweb.com",
@@ -2159,6 +2930,9 @@
   "oasys": {
     "protocol": "eth",
     "id": 248,
+    "block_time_ms": 6000,
+    "lagging_lag": 3,
+    "syncing_lag": 15,
     "urls": [
       "https://rpc.mainnet.oasys.games",
       "https://oasys.drpc.org"
@@ -2167,6 +2941,9 @@
   "oasys-testnet": {
     "protocol": "eth",
     "id": 9372,
+    "block_time_ms": 6000,
+    "lagging_lag": 3,
+    "syncing_lag": 15,
     "urls": [
       "https://rpc.testnet.oasys.games",
       "https://oasys-testnet.drpc.org"
@@ -2175,6 +2952,9 @@
   "songbird": {
     "protocol": "eth",
     "id": 19,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://songbird-api.flare.network/ext/C/rpc",
       "https://01-gravelines-006-01.rpc.tatum.io/ext/bc/C/rpc",
@@ -2189,6 +2969,9 @@
   "songbird-testnet": {
     "protocol": "eth",
     "id": 16,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://coston-api.flare.network/ext/C/rpc",
       "https://songbird-testnet-coston.rpc.thirdweb.com",
@@ -2202,6 +2985,9 @@
   "story": {
     "protocol": "eth",
     "id": 1514,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://mainnet.storyrpc.io",
       "https://story.drpc.org"
@@ -2210,6 +2996,9 @@
   "story-testnet": {
     "protocol": "eth",
     "id": 1513,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://testnet.storyrpc.io",
       "https://story-testnet.drpc.org"
@@ -2218,6 +3007,9 @@
   "story-aeneid-testnet": {
     "protocol": "eth",
     "id": 1315,
+    "block_time_ms": 2500,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://aeneid.storyrpc.io",
       "https://story-aeneid-testnet.drpc.org"
@@ -2226,6 +3018,9 @@
   "vechain": {
     "protocol": "eth",
     "id": 100009,
+    "block_time_ms": 10000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc-mainnet.vechain.energy",
       "https://vechain.drpc.org"
@@ -2234,6 +3029,9 @@
   "vechain-testnet": {
     "protocol": "eth",
     "id": 100010,
+    "block_time_ms": 10000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc-testnet.vechain.energy",
       "https://vechain-testnet.drpc.org"
@@ -2241,192 +3039,288 @@
   },
   "babylon": {
     "protocol": "cosmos",
+    "block_time_ms": 10000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://babylon.drpc.org"
     ]
   },
   "babylon-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 10000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://babylon-testnet.drpc.org"
     ]
   },
   "agoric": {
     "protocol": "cosmos",
+    "block_time_ms": 5000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://agoric.drpc.org"
     ]
   },
   "coreum": {
     "protocol": "cosmos",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://coreum.drpc.org"
     ]
   },
   "coreum-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://coreum-testnet.drpc.org"
     ]
   },
   "fetch-ai": {
     "protocol": "cosmos",
+    "block_time_ms": 6000,
+    "lagging_lag": 3,
+    "syncing_lag": 15,
     "urls": [
       "https://fetch-ai.drpc.org"
     ]
   },
   "provenance": {
     "protocol": "cosmos",
+    "block_time_ms": 5000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://provenance.drpc.org"
     ]
   },
   "initia": {
     "protocol": "cosmos",
+    "block_time_ms": 2000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://initia.drpc.org"
     ]
   },
   "injective": {
     "protocol": "cosmos",
+    "block_time_ms": 700,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://injective.drpc.org"
     ]
   },
   "injective-testnet": {
     "protocol": "cosmos",
+    "block_time_ms": 700,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://injective-testnet.drpc.org"
     ]
   },
   "mantra": {
     "protocol": "cosmos",
+    "block_time_ms": 3000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://mantra.drpc.org"
     ]
   },
   "bitcoinsv": {
     "protocol": "bitcoin",
+    "block_time_ms": 60000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://bitcoinsv.drpc.org"
     ]
   },
   "bitcoinsv-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 60000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://bitcoinsv-testnet.drpc.org"
     ]
   },
   "dash": {
     "protocol": "bitcoin",
+    "block_time_ms": 60000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://dash.drpc.org"
     ]
   },
   "dash-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 60000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://dash-testnet.drpc.org"
     ]
   },
   "digibyte": {
     "protocol": "bitcoin",
+    "block_time_ms": 15000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://digibyte.drpc.org"
     ]
   },
   "digibyte-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 15000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://digibyte-testnet.drpc.org"
     ]
   },
   "verge": {
     "protocol": "bitcoin",
+    "block_time_ms": 30000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://verge.drpc.org"
     ]
   },
   "verge-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 30000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://verge-testnet.drpc.org"
     ]
   },
   "zcash": {
     "protocol": "bitcoin",
+    "block_time_ms": 75000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://zcash.drpc.org"
     ]
   },
   "zcash-testnet": {
     "protocol": "bitcoin",
+    "block_time_ms": 75000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://zcash-testnet.drpc.org"
     ]
   },
   "polymesh": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://polymesh.drpc.org"
     ]
   },
   "polymesh-testnet": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://polymesh-testnet.drpc.org"
     ]
   },
   "westend": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://westend.drpc.org"
     ]
   },
   "westend-asset-hub": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://westend-asset-hub.drpc.org"
     ]
   },
   "paseo": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://paseo.drpc.org"
     ]
   },
   "paseo-asset-hub": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://paseo-asset-hub.drpc.org"
     ]
   },
   "polkadot-asset-hub": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://polkadot-asset-hub.drpc.org"
     ]
   },
   "zkverify": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://zkverify.drpc.org"
     ]
   },
   "zkverify-testnet": {
     "protocol": "polkadot",
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://zkverify-testnet.drpc.org"
     ]
   },
   "aztec-mainnet": {
     "protocol": "aztec",
+    "block_time_ms": 36000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://aztec-mainnet.drpc.org"
     ]
   },
   "aztec-testnet": {
     "protocol": "aztec",
+    "block_time_ms": 36000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.aztec-labs.com"
     ],
@@ -2434,6 +3328,9 @@
   },
   "aztec-devnet": {
     "protocol": "aztec",
+    "block_time_ms": 36000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://v4-devnet-2.aztec-labs.com/"
     ],
@@ -2442,6 +3339,9 @@
   "moca": {
     "protocol": "eth",
     "id": 2288,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://moca.drpc.org"
     ]
@@ -2449,12 +3349,18 @@
   "moca-testnet": {
     "protocol": "eth",
     "id": 222888,
+    "block_time_ms": 1000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://moca-testnet.drpc.org"
     ]
   },
   "lambda": {
     "protocol": "app",
+    "block_time_ms": 1000,
+    "lagging_lag": 0,
+    "syncing_lag": 0,
     "urls": [
       "https://lambda.drpc.org"
     ]
@@ -2462,6 +3368,9 @@
   "morph": {
     "protocol": "eth",
     "id": 2818,
+    "block_time_ms": 1000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.morphl2.io",
       "https://rpc-quicknode.morphl2.io",
@@ -2471,6 +3380,9 @@
   "morph-hoodi": {
     "protocol": "eth",
     "id": 2910,
+    "block_time_ms": 1000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://morph-hoodi.drpc.org"
     ]
@@ -2478,6 +3390,9 @@
   "robinhood": {
     "protocol": "eth",
     "id": 4663,
+    "block_time_ms": 250,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://robinhood.drpc.org"
     ]
@@ -2485,6 +3400,9 @@
   "robinhood-testnet": {
     "protocol": "eth",
     "id": 46630,
+    "block_time_ms": 250,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.chain.robinhood.com/rpc",
       "https://robinhood-testnet.drpc.org"
@@ -2493,6 +3411,9 @@
   "tac": {
     "protocol": "eth",
     "id": 239,
+    "block_time_ms": 1000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.tac.build",
       "https://rpc.ankr.com/tac",
@@ -2503,6 +3424,9 @@
   "tac-spb": {
     "protocol": "eth",
     "id": 2391,
+    "block_time_ms": 1000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://spb.rpc.tac.build",
       "https://rpc.ankr.com/tac_spb",
@@ -2513,6 +3437,9 @@
   "tea": {
     "protocol": "eth",
     "id": 6122,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://tea.drpc.org"
     ]
@@ -2520,6 +3447,9 @@
   "tea-sepolia": {
     "protocol": "eth",
     "id": 10218,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://tea-sepolia.g.alchemy.com/public",
       "https://tea-sepolia.drpc.org"
@@ -2527,18 +3457,27 @@
   },
   "algorand": {
     "protocol": "avm",
+    "block_time_ms": 3000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://algorand.drpc.org"
     ]
   },
   "algorand-testnet": {
     "protocol": "avm",
+    "block_time_ms": 3000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://algorand-testnet.drpc.org"
     ]
   },
   "algorand-betanet": {
     "protocol": "avm",
+    "block_time_ms": 3000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://algorand-betanet.drpc.org"
     ]
@@ -2546,6 +3485,9 @@
   "orderly": {
     "protocol": "eth",
     "id": 291,
+    "block_time_ms": 2000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.orderly.network",
       "https://orderly.drpc.org"
@@ -2554,6 +3496,9 @@
   "orderly-testnet": {
     "protocol": "eth",
     "id": 4460,
+    "block_time_ms": 2000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://testnet-rpc.orderly.org",
       "https://orderly-testnet.drpc.org"
@@ -2562,6 +3507,9 @@
   "abcore": {
     "protocol": "eth",
     "id": 36888,
+    "block_time_ms": 3000,
+    "lagging_lag": 2,
+    "syncing_lag": 6,
     "urls": [
       "https://rpc.core.ab.org",
       "https://rpc1.core.ab.org",
@@ -2571,6 +3519,9 @@
   "bsquared": {
     "protocol": "eth",
     "id": 223,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://mainnet.b2-rpc.com",
       "https://rpc.bsquared.network",
@@ -2583,6 +3534,9 @@
   "adi": {
     "protocol": "eth",
     "id": 36900,
+    "block_time_ms": 10000,
+    "lagging_lag": 4,
+    "syncing_lag": 12,
     "urls": [
       "https://rpc.adifoundation.ai",
       "https://adi.drpc.org"
@@ -2591,6 +3545,9 @@
   "stable": {
     "protocol": "eth",
     "id": 988,
+    "block_time_ms": 700,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.stable.xyz",
       "https://stable.drpc.org"
@@ -2599,6 +3556,9 @@
   "stable-testnet": {
     "protocol": "eth",
     "id": 2201,
+    "block_time_ms": 700,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.stable.xyz",
       "https://stable-testnet.drpc.org"
@@ -2607,6 +3567,9 @@
   "jovay": {
     "protocol": "eth",
     "id": 5734951,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.jovay.io",
       "https://api.zan.top/node/v1/jovay/mainnet/${ZAN_API_KEY}",
@@ -2616,6 +3579,9 @@
   "jovay-sepolia": {
     "protocol": "eth",
     "id": 2019775,
+    "block_time_ms": 3000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://api.zan.top/public/jovay-testnet",
       "https://api.zan.top/node/v1/jovay/testnet/${ZAN_API_KEY}",
@@ -2625,6 +3591,9 @@
   "pharos": {
     "protocol": "eth",
     "id": 1672,
+    "block_time_ms": 1000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://pharos.drpc.org"
     ]
@@ -2632,6 +3601,9 @@
   "pharos-testnet": {
     "protocol": "eth",
     "id": 688688,
+    "block_time_ms": 1000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://pharos-testnet.drpc.org"
     ]
@@ -2639,6 +3611,9 @@
   "pharos-atlantic-testnet": {
     "protocol": "eth",
     "id": 688689,
+    "block_time_ms": 1000,
+    "lagging_lag": 10,
+    "syncing_lag": 20,
     "urls": [
       "https://pharos-atlantic-testnet.drpc.org"
     ]
@@ -2646,6 +3621,9 @@
   "edge": {
     "protocol": "eth",
     "id": 3343,
+    "block_time_ms": 30000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://edge-mainnet.g.alchemy.com/public",
       "https://edge.drpc.org"
@@ -2654,6 +3632,9 @@
   "edge-testnet": {
     "protocol": "eth",
     "id": 33431,
+    "block_time_ms": 30000,
+    "lagging_lag": 1,
+    "syncing_lag": 6,
     "urls": [
       "https://edge-testnet.g.alchemy.com/public",
       "https://edge-testnet.drpc.org"
@@ -2662,6 +3643,9 @@
   "botanix": {
     "protocol": "eth",
     "id": 3637,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://rpc.botanixlabs.com",
       "https://botanix.drpc.org"
@@ -2670,6 +3654,9 @@
   "botanix-testnet": {
     "protocol": "eth",
     "id": 3636,
+    "block_time_ms": 6000,
+    "lagging_lag": 5,
+    "syncing_lag": 10,
     "urls": [
       "https://node.botanixlabs.dev",
       "https://botanix-testnet.drpc.org"
@@ -2678,6 +3665,9 @@
   "kite": {
     "protocol": "eth",
     "id": 2366,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.gokite.ai",
       "https://kite.drpc.org"
@@ -2686,6 +3676,9 @@
   "humanity": {
     "protocol": "eth",
     "id": 6985385,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://humanity-mainnet.g.alchemy.com/public",
       "https://humanity.drpc.org"
@@ -2694,6 +3687,9 @@
   "humanity-testnet": {
     "protocol": "eth",
     "id": 7080969,
+    "block_time_ms": 2000,
+    "lagging_lag": 20,
+    "syncing_lag": 40,
     "urls": [
       "https://rpc.testnet.humanity.org",
       "https://humanity-testnet.g.alchemy.com/public",
diff --git a/reference-rpc-endpoint.sh b/reference-rpc-endpoint.sh
index da1fa644..eb3a964d 100755
--- a/reference-rpc-endpoint.sh
+++ b/reference-rpc-endpoint.sh
@@ -44,6 +44,51 @@ if [ "$1" = "--protocol" ]; then
     exit 0
 fi
 
+# Look up the expected block time (milliseconds) for a registry key (drpc slug) or chain id.
+# Used by sync-status.sh / check-health.sh to scale the lag thresholds per chain.
+if [ "$1" = "--block-time-ms" ]; then
+    if [ $# -lt 2 ]; then
+        echo "Usage: $0 --block-time-ms <slug|chainid>"
+        exit 1
+    fi
+    key="$2"
+    # Try by slug first
+    bt=$(jq -r --arg k "$key" '.[$k].block_time_ms // empty' "$json_file" 2>/dev/null)
+    if [ -z "$bt" ]; then
+        # Fall back to lookup by chain id (decimal; convert hex)
+        idk="$key"
+        [[ "$idk" == 0x* ]] && idk=$(printf "%d" "$idk" 2>/dev/null)
+        if [[ "$idk" =~ ^[0-9]+$ ]]; then
+            bt=$(jq -r --arg id "$idk" 'first(.[] | select(.id == ($id | tonumber)) | .block_time_ms) // empty' "$json_file" 2>/dev/null)
+        fi
+    fi
+    [ -z "$bt" ] && exit 1
+    echo "$bt"
+    exit 0
+fi
+
+# Look up the dRPC lag thresholds (in BLOCKS) for a registry key (slug) or chain id.
+# Prints "<lagging_lag> <syncing_lag>". Used by sync-status.sh -> check-health.sh so our
+# online/lagging/syncing status matches the dRPC gateway's per-chain lag model.
+if [ "$1" = "--lags" ]; then
+    if [ $# -lt 2 ]; then
+        echo "Usage: $0 --lags <slug|chainid>"
+        exit 1
+    fi
+    key="$2"
+    lags=$(jq -r --arg k "$key" 'if (.[$k].lagging_lag != null and .[$k].syncing_lag != null) then "\(.[$k].lagging_lag) \(.[$k].syncing_lag)" else empty end' "$json_file" 2>/dev/null)
+    if [ -z "$lags" ]; then
+        idk="$key"
+        [[ "$idk" == 0x* ]] && idk=$(printf "%d" "$idk" 2>/dev/null)
+        if [[ "$idk" =~ ^[0-9]+$ ]]; then
+            lags=$(jq -r --arg id "$idk" 'first(.[] | select(.id == ($id | tonumber)) | select(.lagging_lag != null and .syncing_lag != null) | "\(.lagging_lag) \(.syncing_lag)") // empty' "$json_file" 2>/dev/null)
+        fi
+    fi
+    [ -z "$lags" ] && exit 1
+    echo "$lags"
+    exit 0
+fi
+
 # Look up by rollup_version (for Aztec: version from result.header.globalVariables.version)
 if [ "$1" = "--rollup-version" ]; then
     if [ $# -lt 2 ]; then
diff --git a/sync-status.sh b/sync-status.sh
index 9ffa5d68..699a233d 100755
--- a/sync-status.sh
+++ b/sync-status.sh
@@ -158,6 +158,24 @@ for path in $pathlist; do
             fi
         fi
 
+        # Per-chain dRPC lag thresholds (in blocks) so check-health.sh reports
+        # online/lagging/syncing the same way the dRPC gateway does (homogeneous status).
+        # Resolve by drpc slug first, then by chain id; empty => check-health uses its
+        # built-in defaults.
+        lags=""
+        if [ -n "$chain_slug" ]; then
+            lags=$($BASEPATH/reference-rpc-endpoint.sh --lags "$chain_slug" 2>/dev/null) || lags=""
+        fi
+        if [ -z "$lags" ] && [ -n "$chain_id_decimal" ]; then
+            lags=$($BASEPATH/reference-rpc-endpoint.sh --lags "$chain_id_decimal" 2>/dev/null) || lags=""
+        fi
+        if [ -n "$lags" ]; then
+            export LAGGING_LAG="${lags%% *}"
+            export SYNCING_LAG="${lags##* }"
+        else
+            unset LAGGING_LAG SYNCING_LAG
+        fi
+
         # Call the health check script with RPC_URL, ref, and chain-type flag
         if $is_aztec; then
             $BASEPATH/check-health.sh "$RPC_URL" --aztec $ref