diff --git a/reference-rpc-endpoint.json b/reference-rpc-endpoint.json
index 9bd2e4ad..33db4587 100644
--- a/reference-rpc-endpoint.json
+++ b/reference-rpc-endpoint.json
@@ -257,7 +257,7 @@
   "hashkey-testnet": {
     "id": 133,
     "urls": [
-      "https://testnet.hsk.xyz"
+      "https://hashkeychain-testnet.alt.technology"
     ]
   },
   "polygon": {
diff --git a/taiko/geth/taiko-hoodi-geth-archive-leveldb-hash.yml b/taiko/geth/taiko-hoodi-geth-archive-leveldb-hash.yml
index 26ce6a7e..fa10cf1e 100644
--- a/taiko/geth/taiko-hoodi-geth-archive-leveldb-hash.yml
+++ b/taiko/geth/taiko-hoodi-geth-archive-leveldb-hash.yml
@@ -119,6 +119,7 @@ services:
     env_file:
       - ./taiko/hoodi.env
     environment:
+      - BLOB_SERVER_URL=${ETHEREUM_HOODI_BEACON_ARCHIVER}
       - ENABLE_PRECONFS_P2P=true
       - JWT_SECRET=/jwtsecret
       - L1_BEACON=${ETHEREUM_HOODI_BEACON_REST}
diff --git a/taiko/geth/taiko-hoodi-geth-archive-pebble-hash.yml b/taiko/geth/taiko-hoodi-geth-archive-pebble-hash.yml
index 6be16874..8d8c0133 100644
--- a/taiko/geth/taiko-hoodi-geth-archive-pebble-hash.yml
+++ b/taiko/geth/taiko-hoodi-geth-archive-pebble-hash.yml
@@ -119,6 +119,7 @@ services:
     env_file:
       - ./taiko/hoodi.env
     environment:
+      - BLOB_SERVER_URL=${ETHEREUM_HOODI_BEACON_ARCHIVER}
       - ENABLE_PRECONFS_P2P=true
       - JWT_SECRET=/jwtsecret
       - L1_BEACON=${ETHEREUM_HOODI_BEACON_REST}
diff --git a/taiko/geth/taiko-hoodi-geth-pruned-pebble-path.yml b/taiko/geth/taiko-hoodi-geth-pruned-pebble-path.yml
index 1121a791..a637708c 100644
--- a/taiko/geth/taiko-hoodi-geth-pruned-pebble-path.yml
+++ b/taiko/geth/taiko-hoodi-geth-pruned-pebble-path.yml
@@ -117,6 +117,7 @@ services:
     env_file:
       - ./taiko/hoodi.env
     environment:
+      - BLOB_SERVER_URL=${ETHEREUM_HOODI_BEACON_ARCHIVER}
       - ENABLE_PRECONFS_P2P=false
       - JWT_SECRET=/jwtsecret
       - L1_BEACON=${ETHEREUM_HOODI_BEACON_REST}
diff --git a/taiko/nethermind/taiko-hoodi-nethermind-archive-rocksdb-trace.yml b/taiko/nethermind/taiko-hoodi-nethermind-archive-rocksdb-trace.yml
index 1c0c9fd2..dd406897 100644
--- a/taiko/nethermind/taiko-hoodi-nethermind-archive-rocksdb-trace.yml
+++ b/taiko/nethermind/taiko-hoodi-nethermind-archive-rocksdb-trace.yml
@@ -107,6 +107,7 @@ services:
     env_file:
       - ./taiko/hoodi.env
     environment:
+      - BLOB_SERVER_URL=${ETHEREUM_HOODI_BEACON_ARCHIVER}
       - ENABLE_PRECONFS_P2P=true
       - JWT_SECRET=/jwtsecret
       - L1_BEACON=${ETHEREUM_HOODI_BEACON_REST}
diff --git a/taiko/nethermind/taiko-hoodi-nethermind-pruned-rocksdb-trace.yml b/taiko/nethermind/taiko-hoodi-nethermind-pruned-rocksdb-trace.yml
index 63a4e2eb..099243c8 100644
--- a/taiko/nethermind/taiko-hoodi-nethermind-pruned-rocksdb-trace.yml
+++ b/taiko/nethermind/taiko-hoodi-nethermind-pruned-rocksdb-trace.yml
@@ -103,6 +103,7 @@ services:
     env_file:
       - ./taiko/hoodi.env
     environment:
+      - BLOB_SERVER_URL=${ETHEREUM_HOODI_BEACON_ARCHIVER}
       - ENABLE_PRECONFS_P2P=false
       - JWT_SECRET=/jwtsecret
       - L1_BEACON=${ETHEREUM_HOODI_BEACON_REST}