diff --git a/arb/nitro/alephzero-mainnet-nitro-archive-pebble-hash.yml b/arb/nitro/alephzero-mainnet-nitro-archive-pebble-hash.yml
index 9abae788..71b225ad 100644
--- a/arb/nitro/alephzero-mainnet-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/alephzero-mainnet-nitro-archive-pebble-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/alephzero-mainnet-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/alephzero-mainnet-nitro-pruned-pebble-path.yml b/arb/nitro/alephzero-mainnet-nitro-pruned-pebble-path.yml
index 6a7a5395..996b2cfe 100644
--- a/arb/nitro/alephzero-mainnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/alephzero-mainnet-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/alephzero-mainnet
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/alephzero-sepolia-nitro-archive-pebble-hash.yml b/arb/nitro/alephzero-sepolia-nitro-archive-pebble-hash.yml
index b1e1cafc..26134f6a 100644
--- a/arb/nitro/alephzero-sepolia-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/alephzero-sepolia-nitro-archive-pebble-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/alephzero-sepolia-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/alephzero-sepolia-nitro-pruned-pebble-path.yml b/arb/nitro/alephzero-sepolia-nitro-pruned-pebble-path.yml
index 91319fba..ff18fea0 100644
--- a/arb/nitro/alephzero-sepolia-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/alephzero-sepolia-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/alephzero-sepolia
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-nova-nitro-archive-leveldb-hash.yml b/arb/nitro/arbitrum-nova-nitro-archive-leveldb-hash.yml
index 88136bae..3242681b 100644
--- a/arb/nitro/arbitrum-nova-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/arbitrum-nova-nitro-archive-leveldb-hash.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-nova-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/arbitrum-nova-nitro-archive-pebble-path.yml b/arb/nitro/arbitrum-nova-nitro-archive-pebble-path.yml
index 6e2e4072..8f58347d 100644
--- a/arb/nitro/arbitrum-nova-nitro-archive-pebble-path.yml
+++ b/arb/nitro/arbitrum-nova-nitro-archive-pebble-path.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-nova-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.prune.yml b/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.prune.yml
index 465bada7..256c7193 100644
--- a/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.prune.yml
+++ b/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.prune.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-nova-minimal
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.yml b/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.yml
index e1a6c298..eb2317ed 100644
--- a/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.yml
+++ b/arb/nitro/arbitrum-nova-nitro-minimal-pebble-hash.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-nova-minimal
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.prune.yml b/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.prune.yml
index eb7a22d2..196b6076 100644
--- a/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.prune.yml
+++ b/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.prune.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-nova
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.yml b/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.yml
index 911ac15d..a7abf5e2 100644
--- a/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.yml
+++ b/arb/nitro/arbitrum-nova-nitro-pruned-pebble-hash.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-nova
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-archive-leveldb-hash.yml b/arb/nitro/arbitrum-one-nitro-archive-leveldb-hash.yml
index 5af1b0b4..9a97c1ab 100644
--- a/arb/nitro/arbitrum-one-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/arbitrum-one-nitro-archive-leveldb-hash.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/arbitrum-one-nitro-archive-pebble-hash.yml b/arb/nitro/arbitrum-one-nitro-archive-pebble-hash.yml
index 6692a618..e5672b8c 100644
--- a/arb/nitro/arbitrum-one-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/arbitrum-one-nitro-archive-pebble-hash.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-archive-pebble-path.yml b/arb/nitro/arbitrum-one-nitro-archive-pebble-path.yml
index e531e971..4b63d997 100644
--- a/arb/nitro/arbitrum-one-nitro-archive-pebble-path.yml
+++ b/arb/nitro/arbitrum-one-nitro-archive-pebble-path.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.prune.yml b/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.prune.yml
index 56282c75..d5caa338 100644
--- a/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.prune.yml
+++ b/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.prune.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one-minimal
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.yml b/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.yml
index 7cce49cb..2db66ace 100644
--- a/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.yml
+++ b/arb/nitro/arbitrum-one-nitro-minimal-pebble-hash.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one-minimal
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.prune.yml b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.prune.yml
index 57ba38d5..32be3ca6 100644
--- a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.prune.yml
+++ b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.prune.yml
@@ -71,6 +71,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.yml b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.yml
index 136cb2fc..c9ca7050 100644
--- a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.yml
+++ b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash--fireeth.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.prune.yml b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.prune.yml
index 117e6a41..91b290c4 100644
--- a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.prune.yml
+++ b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.prune.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.yml b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.yml
index 0e410684..53158483 100644
--- a/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.yml
+++ b/arb/nitro/arbitrum-one-nitro-pruned-pebble-hash.yml
@@ -69,6 +69,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-one
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-sepolia-nitro-archive-pebble-hash.yml b/arb/nitro/arbitrum-sepolia-nitro-archive-pebble-hash.yml
index b59db5d6..4fe84e9c 100644
--- a/arb/nitro/arbitrum-sepolia-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/arbitrum-sepolia-nitro-archive-pebble-hash.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-sepolia-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.prune.yml b/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.prune.yml
index 10f31d65..7553159a 100644
--- a/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.prune.yml
+++ b/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.prune.yml
@@ -71,6 +71,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-sepolia-minimal
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.yml b/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.yml
index 2cca5d1b..70c80f46 100644
--- a/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.yml
+++ b/arb/nitro/arbitrum-sepolia-nitro-minimal-pebble-hash.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-sepolia-minimal
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.prune.yml b/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.prune.yml
index f1791ee1..1fff0385 100644
--- a/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.prune.yml
+++ b/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.prune.yml
@@ -71,6 +71,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-sepolia
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.yml b/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.yml
index 4dbb8e75..ab3d53b3 100644
--- a/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.yml
+++ b/arb/nitro/arbitrum-sepolia-nitro-pruned-pebble-hash.yml
@@ -70,6 +70,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/arbitrum-sepolia
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/connext-sepolia-nitro-archive-leveldb-hash.yml b/arb/nitro/connext-sepolia-nitro-archive-leveldb-hash.yml
index 04a75e39..c1146978 100644
--- a/arb/nitro/connext-sepolia-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/connext-sepolia-nitro-archive-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/connext-sepolia-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/connext-sepolia-nitro-pruned-pebble-path.yml b/arb/nitro/connext-sepolia-nitro-pruned-pebble-path.yml
index 31b5b208..3e81defb 100644
--- a/arb/nitro/connext-sepolia-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/connext-sepolia-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/connext-sepolia
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash.yml b/arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash.yml
index 3931d567..49a77f3c 100644
--- a/arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/everclear-mainnet-nitro-archive-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/everclear-mainnet-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/everclear-mainnet-nitro-pruned-pebble-path.yml b/arb/nitro/everclear-mainnet-nitro-pruned-pebble-path.yml
index 075cddf6..b0fd9953 100644
--- a/arb/nitro/everclear-mainnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/everclear-mainnet-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/everclear-mainnet
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/plume-mainnet-nitro-archive-leveldb-hash.yml b/arb/nitro/plume-mainnet-nitro-archive-leveldb-hash.yml
index 7556164f..2af62bfe 100644
--- a/arb/nitro/plume-mainnet-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/plume-mainnet-nitro-archive-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-mainnet-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/plume-mainnet-nitro-archive-pebble-hash.yml b/arb/nitro/plume-mainnet-nitro-archive-pebble-hash.yml
index c5e7fab1..d2674b5b 100644
--- a/arb/nitro/plume-mainnet-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/plume-mainnet-nitro-archive-pebble-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-mainnet-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/plume-mainnet-nitro-pruned-leveldb-hash.yml b/arb/nitro/plume-mainnet-nitro-pruned-leveldb-hash.yml
index d3ff2c3c..7a08ac86 100644
--- a/arb/nitro/plume-mainnet-nitro-pruned-leveldb-hash.yml
+++ b/arb/nitro/plume-mainnet-nitro-pruned-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-mainnet
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/plume-mainnet-nitro-pruned-pebble-path.yml b/arb/nitro/plume-mainnet-nitro-pruned-pebble-path.yml
index 2696c097..9a6d36e2 100644
--- a/arb/nitro/plume-mainnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/plume-mainnet-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-mainnet
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/plume-testnet-nitro-archive-leveldb-hash.yml b/arb/nitro/plume-testnet-nitro-archive-leveldb-hash.yml
index 25e79542..fafd0f79 100644
--- a/arb/nitro/plume-testnet-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/plume-testnet-nitro-archive-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-testnet-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/plume-testnet-nitro-archive-pebble-hash.yml b/arb/nitro/plume-testnet-nitro-archive-pebble-hash.yml
index 09c55f21..95d530c6 100644
--- a/arb/nitro/plume-testnet-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/plume-testnet-nitro-archive-pebble-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-testnet-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/plume-testnet-nitro-pruned-leveldb-hash.yml b/arb/nitro/plume-testnet-nitro-pruned-leveldb-hash.yml
index f9a0bf00..caa77bce 100644
--- a/arb/nitro/plume-testnet-nitro-pruned-leveldb-hash.yml
+++ b/arb/nitro/plume-testnet-nitro-pruned-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-testnet
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/plume-testnet-nitro-pruned-pebble-path.yml b/arb/nitro/plume-testnet-nitro-pruned-pebble-path.yml
index e3209955..c802ee8e 100644
--- a/arb/nitro/plume-testnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/plume-testnet-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/plume-testnet
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/real-mainnet-nitro-archive-leveldb-hash.yml b/arb/nitro/real-mainnet-nitro-archive-leveldb-hash.yml
index deff667a..ce702cce 100644
--- a/arb/nitro/real-mainnet-nitro-archive-leveldb-hash.yml
+++ b/arb/nitro/real-mainnet-nitro-archive-leveldb-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/real-mainnet-archive
       - --ws.addr=0.0.0.0
diff --git a/arb/nitro/real-mainnet-nitro-archive-pebble-hash.yml b/arb/nitro/real-mainnet-nitro-archive-pebble-hash.yml
index 7cc1a7b1..64814384 100644
--- a/arb/nitro/real-mainnet-nitro-archive-pebble-hash.yml
+++ b/arb/nitro/real-mainnet-nitro-archive-pebble-hash.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/real-mainnet-archive
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/real-mainnet-nitro-pruned-pebble-path.yml b/arb/nitro/real-mainnet-nitro-pruned-pebble-path.yml
index abcf6fb3..cab28107 100644
--- a/arb/nitro/real-mainnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/real-mainnet-nitro-pruned-pebble-path.yml
@@ -74,6 +74,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/real-mainnet
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/robinhood-mainnet-nitro-pruned-pebble-path.yml b/arb/nitro/robinhood-mainnet-nitro-pruned-pebble-path.yml
index 44a6387d..14e79727 100644
--- a/arb/nitro/robinhood-mainnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/robinhood-mainnet-nitro-pruned-pebble-path.yml
@@ -71,6 +71,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_MAINNET_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_MAINNET_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_MAINNET_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/robinhood-mainnet
       - --persistent.db-engine=pebble
diff --git a/arb/nitro/robinhood-testnet-nitro-pruned-pebble-path.yml b/arb/nitro/robinhood-testnet-nitro-pruned-pebble-path.yml
index 44df4e6d..3be059ba 100644
--- a/arb/nitro/robinhood-testnet-nitro-pruned-pebble-path.yml
+++ b/arb/nitro/robinhood-testnet-nitro-pruned-pebble-path.yml
@@ -71,6 +71,7 @@ services:
       - --node.sequencer=false
       - --node.staker.enable=false
       - --parent-chain.blob-client.beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST}
+      - --parent-chain.blob-client.secondary-beacon-url=${ETHEREUM_SEPOLIA_BEACON_REST_FALLBACK}
       - --parent-chain.connection.url=${ETHEREUM_SEPOLIA_EXECUTION_RPC}
       - --persistent.chain=/root/.arbitrum/robinhood-testnet
       - --persistent.db-engine=pebble