diff --git a/.changeset/mighty-dingos-pay.md b/.changeset/mighty-dingos-pay.md
new file mode 100644
index 000000000..2ce3c7f37
--- /dev/null
+++ b/.changeset/mighty-dingos-pay.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': minor
+---
+
+feat(bitrock): add chain metadata and core contract addresses
diff --git a/chains/bitrock/README.md b/chains/bitrock/README.md
new file mode 100644
index 000000000..e42a96d4a
--- /dev/null
+++ b/chains/bitrock/README.md
@@ -0,0 +1,7 @@
+# Bitrock (domain 7171)
+
+- Consensus: IBFT-2 PoA (instant finality, ~1s block time)  
+- Explorer: [explorer.bit-rock.io](https://explorer.bit-rock.io)  
+- RPC: [brockrpc.io](https://brockrpc.io)  
+
+Contracts deployed by Hyperlane Core are listed in [`addresses.yaml`](./addresses.yaml).
\ No newline at end of file
diff --git a/chains/bitrock/addresses.yaml b/chains/bitrock/addresses.yaml
new file mode 100644
index 000000000..f4951be1c
--- /dev/null
+++ b/chains/bitrock/addresses.yaml
@@ -0,0 +1,13 @@
+domainRoutingIsmFactory: "0x0473b5c0Af725b43b9E204dB7e70479d4A316037"
+interchainAccountRouter: "0x9458751d1133fe5D0110dfdDfBe34d7FB7f0fb6e"
+mailbox: "0x516c2087AFd06843609460543E6b70b57ABaE35b"
+merkleTreeHook: "0x7C7253131CaEa3C56cD3772dD7E94e2Fd28838F9"
+proxyAdmin: "0xC44d8f4D9977369F465c5329acA19Ff1F3D3123C"
+staticAggregationHookFactory: "0xBa0a67F475490faBE5DDAE1cA57373719D61dd95"
+staticAggregationIsmFactory: "0xB4dDA9ef7439d04953CE4eB49698Ec7154F61237"
+staticMerkleRootMultisigIsmFactory: "0x8fe6A915DE00B3F0e96874b0E7A38bB2E58A0e49"
+staticMerkleRootWeightedMultisigIsmFactory: "0x017D7227502E9b0EF3c2759e581201219dff7240"
+staticMessageIdMultisigIsmFactory: "0xBB70Af76c017704b32d9eE6685f1EFe65DF314a2"
+staticMessageIdWeightedMultisigIsmFactory: "0xA336e2Ba3D2F409c38613cbb9359090049F492dF"
+testRecipient: "0xf6454ab90745020C3C6d75C43AC1B299660b06bB"
+validatorAnnounce: "0x8f715D9B174d1F4727d42022B3F75a7C0a152C44"
diff --git a/chains/bitrock/logo.svg b/chains/bitrock/logo.svg
new file mode 100644
index 000000000..28dc02f26
--- /dev/null
+++ b/chains/bitrock/logo.svg
@@ -0,0 +1,22 @@
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diff --git a/chains/bitrock/metadata.yaml b/chains/bitrock/metadata.yaml
new file mode 100644
index 000000000..6efa5ffbd
--- /dev/null
+++ b/chains/bitrock/metadata.yaml
@@ -0,0 +1,19 @@
+# yaml-language-server: $schema=../schema.json
+blockExplorers:
+  - apiUrl: https://explorer.bit-rock.io/api
+    family: blockscout
+    name: Bitrock Explorer
+    url: https://explorer.bit-rock.io
+chainId: 7171
+displayName: Bitrock
+domainId: 7171
+isTestnet: false
+name: bitrock
+nativeToken:
+  decimals: 18
+  name: Bitrock
+  symbol: BROCK
+protocol: ethereum
+rpcUrls:
+  - http: https://brockrpc.io
+technicalStack: other