diff --git a/chains/addresses.yaml b/chains/addresses.yaml
index 4ad0de20..a0a59b50 100644
--- a/chains/addresses.yaml
+++ b/chains/addresses.yaml
@@ -1195,6 +1195,20 @@ duckchain:
   testRecipient: "0xbB88a31E4b709b645c06825c0E0b5CAC906d97DE"
   timelockController: "0x0000000000000000000000000000000000000000"
   validatorAnnounce: "0xD743801ABB6c7664B623D8534C0f5AF8cD2F1C5e"
+echos:
+  domainRoutingIsmFactory: "0x2F91D969E0a1318A36E0c4f9e180Aa9aA9713904"
+  interchainGasPaymaster: "0x26006d6E9931320DE9A7C80629F3bE5c1Adcd3FD"
+  interchainSecurityModule: "0x1D13e24Bb2Dbc8792A9d6Ec51Ef91121247f1926"
+  mailbox: "0x2cA13C25A48B5A98c5AD47808Efa983D29543a9a"
+  merkleTreeHook: "0xB04667c75e01aEea9e742eF50CDe6f30C9Ce8136"
+  protocolFee: "0x56f57BCfFC6e285552778EC4ce535513E826Bc9c"
+  proxyAdmin: "0xeD9A6DBa959Ab0E6c896E669840CBbda6ac17b52"
+  staticAggregationHookFactory: "0x577d681F3BF0eF4bed349Cc718f584221798392D"
+  staticAggregationIsmFactory: "0xd4103b43ADb2214951cAa2B190ba1Ba1bF462F0A"
+  staticMerkleRootMultisigIsmFactory: "0x54f815Ea3fb27802a0A6648D7fa17E246080003e"
+  staticMessageIdMultisigIsmFactory: "0xC54327035f6aD1c828cF2B92AFabEf28CF3c937e"
+  testRecipient: "0xa2d56aA1Fd4cbA1b745c729B47eD2aCF945450b1"
+  validatorAnnounce: "0x294139274Fd47a69Cbb7F3D0c712BdcDc718EB17"
 eclipsemainnet:
   interchainGasPaymaster: ABb3i11z7wKoGCfeRQNQbVYWjAm7jG7HzZnDLV4RKRbK
   interchainSecurityModule: BgG35GxoaMgmiam3EJzcwivwQ2DTYGPTLfUCg7bhiH6V
diff --git a/chains/metadata.yaml b/chains/metadata.yaml
index 3d884c5b..7e7e37e0 100644
--- a/chains/metadata.yaml
+++ b/chains/metadata.yaml
@@ -1786,6 +1786,34 @@ ebi:
   rpcUrls:
     - http: https://rpc.ebi.xyz
   technicalStack: arbitrumnitro
+echos:
+  blockExplorers:
+    - apiUrl: https://explorer.echos.fun/api
+      family: blockscout
+      name: Echos Explorer
+      url: https://explorer.echos.fun
+  blocks:
+    confirmations: 1
+    estimateBlockTime: 1
+    reorgPeriod: 1
+  chainId: 4321
+  deployer:
+    name: Stride Labs
+    url: https://www.stride.zone
+  displayName: Echos
+  displayNameShort: Echos
+  domainId: 4321
+  gasCurrencyCoinGeckoId: usd-coin
+  index:
+    from: 3206000
+  name: echos
+  nativeToken:
+    decimals: 18
+    name: USDC
+    symbol: USDC
+  protocol: ethereum
+  rpcUrls:
+    - http: https://rpc-echos-mainnet-0.t.conduit.xyz
 eclipsemainnet:
   blockExplorers:
     - apiUrl: https://explorer.eclipse.xyz/api