diff --git a/.changeset/fuzzy-donkeys-rule.md b/.changeset/fuzzy-donkeys-rule.md
new file mode 100644
index 000000000..7bf57b0a7
--- /dev/null
+++ b/.changeset/fuzzy-donkeys-rule.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': patch
+---
+
+Add BlockX to the Hyperlane registry
diff --git a/chains/blockx/addresses.yaml b/chains/blockx/addresses.yaml
new file mode 100644
index 000000000..27497895e
--- /dev/null
+++ b/chains/blockx/addresses.yaml
@@ -0,0 +1,13 @@
+domainRoutingIsmFactory: "0x8DD04772033025881D53160d0f921c74E68a5bFF"
+interchainAccountRouter: "0x06675EbCF9Deab7E91210565030ed5F437c0d97F"
+mailbox: "0xF28c727aB833B52068b1e8Da9E1028ba23b2b566"
+merkleTreeHook: "0x46EfccC53054716EAB94A0aba927740C061f3c09"
+proxyAdmin: "0x68eeEFE061f2C2DF1eD01a448965DF48D171a90c"
+staticAggregationHookFactory: "0xAC9E979FBac737F3453fE6b852381b10BC5580Aa"
+staticAggregationIsmFactory: "0x5a45E4cf479deDD99940C2e0486dc8038561a875"
+staticMerkleRootMultisigIsmFactory: "0x918Ce18dfa1B096B80B6577B58e323bAF68FAd92"
+staticMerkleRootWeightedMultisigIsmFactory: "0xA7e0cf10e06e26a036E74C495cbf84703cc5D591"
+staticMessageIdMultisigIsmFactory: "0xe2B2cD8A4049d4244939179c2A1a47639bE4f9bA"
+staticMessageIdWeightedMultisigIsmFactory: "0x9d7757e74cBB0C111d03d4E59FeDc863B92E0958"
+testRecipient: "0xB463531c775258b8317aC624248aF7C7e3ba43f1"
+validatorAnnounce: "0xe9FE302DE233FA8D90fB0B3dbA3b3Eed30DE8dA3"
diff --git a/chains/blockx/logo.svg b/chains/blockx/logo.svg
new file mode 100644
index 000000000..dae3d8fa4
--- /dev/null
+++ b/chains/blockx/logo.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="116" height="121" fill="none"><path fill="#166DFF" d="M83.684 10h20.076c1.782 0 2.674 2.154 1.414 3.414L59.676 58.913a2 2 0 0 0 0 2.828l45.498 45.499c1.26 1.26.368 3.414-1.414 3.414H83.684a4 4 0 0 1-2.828-1.171L34.528 63.156a4 4 0 0 1 0-5.657l46.328-46.327A4 4 0 0 1 83.684 10Z"/><path fill="#000" d="m44.615 44.584-9.647-9.647a4 4 0 0 0-2.828-1.171H12.064c-1.782 0-2.675 2.154-1.415 3.414l21.075 21.075a5.977 5.977 0 0 1 1.39-2.17l11.5-11.501ZM31.724 62.4a5.986 5.986 0 0 0 1.39 2.17l11.5 11.5-9.646 9.647a4 4 0 0 1-2.828 1.172H12.064c-1.782 0-2.675-2.155-1.415-3.414l21.075-21.076Z"/></svg>
\ No newline at end of file
diff --git a/chains/blockx/metadata.yaml b/chains/blockx/metadata.yaml
new file mode 100644
index 000000000..468db7caf
--- /dev/null
+++ b/chains/blockx/metadata.yaml
@@ -0,0 +1,25 @@
+# yaml-language-server: $schema=../schema.json
+blockExplorers:
+  - apiUrl: https://api.blockxnet.com
+    family: blockscout
+    name: BlockX Explorer
+    url: https://explorer.blockxnet.com
+blocks:
+  confirmations: 3
+  estimateBlockTime: 1
+  reorgPeriod: finalized
+chainId: 19191
+deployer:
+  name: BlockX Dev
+displayName: BlockX
+domainId: 19191
+isTestnet: false
+name: blockx
+nativeToken:
+  decimals: 18
+  name: BlockX
+  symbol: BCX
+protocol: ethereum
+rpcUrls:
+  - http: https://web3.blockxnet.com
+technicalStack: other