diff --git a/.changeset/dirty-months-buy.md b/.changeset/dirty-months-buy.md
new file mode 100644
index 000000000..2b3f91e99
--- /dev/null
+++ b/.changeset/dirty-months-buy.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/sdk': minor
+---
+
+Deploy to odysseytestnet
diff --git a/.registryrc b/.registryrc
index 6ba08a96c..770382734 100644
--- a/.registryrc
+++ b/.registryrc
@@ -1 +1 @@
-e3330d51ebad77e2aa62c34d5a74746ae5e83e64
+3b9f67add3338f151154bc5db76bf4e296f018dd
diff --git a/rust/main/config/mainnet_config.json b/rust/main/config/mainnet_config.json
index e4866b036..47f9c94ef 100644
--- a/rust/main/config/mainnet_config.json
+++ b/rust/main/config/mainnet_config.json
@@ -564,10 +564,10 @@
       "aggregationHook": "0x8007d1e60991fB9BE1be26f70A7cE284fdE7da97",
       "blockExplorers": [
         {
-          "apiUrl": "https://fetascan.io/api",
+          "apiUrl": "https://fetascan.xyz/api",
           "family": "blockscout",
           "name": "Fetascan",
-          "url": "https://fetascan.io"
+          "url": "https://fetascan.xyz"
         }
       ],
       "blocks": {
diff --git a/rust/main/config/testnet_config.json b/rust/main/config/testnet_config.json
index 5239f11e9..a72250818 100644
--- a/rust/main/config/testnet_config.json
+++ b/rust/main/config/testnet_config.json
@@ -31,7 +31,7 @@
       "interchainAccountIsm": "0x6895d3916B94b386fAA6ec9276756e16dAe7480E",
       "interchainAccountRouter": "0xEbA64c8a9b4a61a9210d5fe7E4375380999C821b",
       "interchainGasPaymaster": "0x44769b0f4a6f01339e131a691cc2eebbb519d297",
-      "interchainSecurityModule": "0xeb06b892C48332bc11287c2E73090a59751F7d85",
+      "interchainSecurityModule": "0xC8513429105955cf01669bfD1ac5396Faf0748a5",
       "isTestnet": true,
       "mailbox": "0xEf9F292fcEBC3848bF4bB92a96a04F9ECBb78E59",
       "merkleTreeHook": "0x221FA9CBaFcd6c1C3d206571Cf4427703e023FFa",
@@ -94,7 +94,7 @@
         "from": 49690504
       },
       "interchainGasPaymaster": "0xc756cFc1b7d0d4646589EDf10eD54b201237F5e8",
-      "interchainSecurityModule": "0x0bDe2dA99d7A0F0F3b1419e1f8E06Ad155906277",
+      "interchainSecurityModule": "0xA6D6d30c37434b142618eF97AB15a71871d721C6",
       "isTestnet": true,
       "mailbox": "0x598facE78a4302f11E3de0bee1894Da0b2Cb71F8",
       "merkleTreeHook": "0xAD34A66Bf6dB18E858F6B686557075568c6E031C",
@@ -162,7 +162,7 @@
         "from": 13851043
       },
       "interchainGasPaymaster": "0x28B02B97a850872C4D33C3E024fab6499ad96564",
-      "interchainSecurityModule": "0x705Bc62100E041779931517E6B300B770BB266a9",
+      "interchainSecurityModule": "0x3E857CB33b76f680F3dB557Ce3BBf2591A98d92d",
       "isTestnet": true,
       "mailbox": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
       "merkleTreeHook": "0x86fb9F1c124fB20ff130C41a79a432F770f67AFD",
@@ -232,7 +232,7 @@
       "interchainAccountIsm": "0xa9D8Ec959F34272B1a56D09AF00eeee58970d3AE",
       "interchainAccountRouter": "0x6d2B3e304E58c2a19f1492E7cf15CaF63Ce6e0d2",
       "interchainGasPaymaster": "0x0dD20e410bdB95404f71c5a4e7Fa67B892A5f949",
-      "interchainSecurityModule": "0x0d3f99da0366491a22DC49e0683489aA8108a616",
+      "interchainSecurityModule": "0x2B3bEc44051C3A0c26360Ae513e98A947E9939b7",
       "isTestnet": true,
       "mailbox": "0xF9F6F5646F478d5ab4e20B0F910C92F1CCC9Cc6D",
       "merkleTreeHook": "0xc6cbF39A747f5E28d1bDc8D9dfDAb2960Abd5A8f",
@@ -301,7 +301,7 @@
         "from": 4950
       },
       "interchainGasPaymaster": "0xeC7eb4196Bd601DEa7585A744FbFB4CF11278450",
-      "interchainSecurityModule": "0x427aFA9D1Bc6360Cb957FA7d51c84D9E516e3e11",
+      "interchainSecurityModule": "0x1e58386A3f012D69568B3E1aB5f8E41169Ba69A9",
       "isTestnet": true,
       "mailbox": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
       "merkleTreeHook": "0x4926a10788306D84202A2aDbd290b7743146Cc17",
@@ -402,7 +402,7 @@
         "from": 1606754
       },
       "interchainGasPaymaster": "0x28B02B97a850872C4D33C3E024fab6499ad96564",
-      "interchainSecurityModule": "0x71Ff4b4D4C0743FA1f465ee297b52098086cF19B",
+      "interchainSecurityModule": "0x4c8A96b43fD59a4171b7c79d657AD9FedFb2d7B5",
       "isTestnet": true,
       "mailbox": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
       "merkleTreeHook": "0x86fb9F1c124fB20ff130C41a79a432F770f67AFD",
@@ -468,7 +468,7 @@
       "interchainAccountIsm": "0xfaB4815BDC5c60c6bD625459C8577aFdD79D9311",
       "interchainAccountRouter": "0xeEF6933122894fF217a7dd07510b3D64b747e29b",
       "interchainGasPaymaster": "0x6895d3916B94b386fAA6ec9276756e16dAe7480E",
-      "interchainSecurityModule": "0x579bdf6729F7A0256d5f7eDa0a27403D622a6f8e",
+      "interchainSecurityModule": "0xe412A2d273c02d6f837532946d1B05A6EAB72B04",
       "isTestnet": true,
       "mailbox": "0x5b6CFf85442B851A8e6eaBd2A4E4507B5135B3B0",
       "merkleTreeHook": "0x9ff6ac3dAf63103620BBf76136eA1AFf43c2F612",
@@ -534,7 +534,7 @@
         "from": 1543015
       },
       "interchainGasPaymaster": "0x5CBf4e70448Ed46c2616b04e9ebc72D29FF0cfA9",
-      "interchainSecurityModule": "0x037DC058b1976A1331E8d446B00743861d16AF3C",
+      "interchainSecurityModule": "0xA4bFAA24c14f0398903E59344F4a36334F47AA50",
       "isTestnet": true,
       "mailbox": "0x46f7C5D896bbeC89bE1B19e4485e59b4Be49e9Cc",
       "merkleTreeHook": "0x98AAE089CaD930C64a76dD2247a2aC5773a4B8cE",
@@ -599,7 +599,7 @@
         "from": 15833917
       },
       "interchainGasPaymaster": "0x28B02B97a850872C4D33C3E024fab6499ad96564",
-      "interchainSecurityModule": "0x71Ff4b4D4C0743FA1f465ee297b52098086cF19B",
+      "interchainSecurityModule": "0x4c8A96b43fD59a4171b7c79d657AD9FedFb2d7B5",
       "isTestnet": true,
       "mailbox": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
       "merkleTreeHook": "0x86fb9F1c124fB20ff130C41a79a432F770f67AFD",
@@ -727,7 +727,7 @@
         "from": 10634605
       },
       "interchainGasPaymaster": "0x6c13643B3927C57DB92c790E4E3E7Ee81e13f78C",
-      "interchainSecurityModule": "0xf509b027ad15886F3bc91704510c758036571204",
+      "interchainSecurityModule": "0xC5117582A9b64B5b3071B7f11943b21A515A84C6",
       "isTestnet": true,
       "mailbox": "0x54148470292C24345fb828B003461a9444414517",
       "merkleTreeHook": "0xddf4C3e791caCaFd26D7fb275549739B38ae6e75",
@@ -802,7 +802,7 @@
       "interchainAccountIsm": "0xE023239c8dfc172FF008D8087E7442d3eBEd9350",
       "interchainAccountRouter": "0xe17c37212d785760E8331D4A4395B17b34Ba8cDF",
       "interchainGasPaymaster": "0x86fb9F1c124fB20ff130C41a79a432F770f67AFD",
-      "interchainSecurityModule": "0x8320d192d6aE2B8d054b8d022B8d4303C66E91d2",
+      "interchainSecurityModule": "0x69873c153380149e901b4aD031025Bc195ee1CB8",
       "isTestnet": true,
       "mailbox": "0x3C5154a193D6e2955650f9305c8d80c18C814A68",
       "merkleTreeHook": "0x863E8c26621c52ACa1849C53500606e73BA272F0",
@@ -880,7 +880,7 @@
       "interchainAccountIsm": "0x83a3068B719F764d413625dA77468ED74789ae02",
       "interchainAccountRouter": "0x8e131c8aE5BF1Ed38D05a00892b6001a7d37739d",
       "interchainGasPaymaster": "0x6f2756380FD49228ae25Aa7F2817993cB74Ecc56",
-      "interchainSecurityModule": "0xfE5d0Dab653B3e0Aafd96F1A2BA85B1A4979159C",
+      "interchainSecurityModule": "0x43b6a311BF787241BB71b7aE2a29ef639932b9b8",
       "isTestnet": true,
       "mailbox": "0xfFAEF09B3cd11D9b20d1a19bECca54EEC2884766",
       "merkleTreeHook": "0x4917a9746A7B6E0A57159cCb7F5a6744247f2d0d",
@@ -990,7 +990,7 @@
         "from": 3111622
       },
       "interchainGasPaymaster": "0xeC7eb4196Bd601DEa7585A744FbFB4CF11278450",
-      "interchainSecurityModule": "0x427aFA9D1Bc6360Cb957FA7d51c84D9E516e3e11",
+      "interchainSecurityModule": "0x1e58386A3f012D69568B3E1aB5f8E41169Ba69A9",
       "isTestnet": true,
       "mailbox": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
       "merkleTreeHook": "0x4926a10788306D84202A2aDbd290b7743146Cc17",
@@ -1078,7 +1078,7 @@
       "interchainAccountIsm": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
       "interchainAccountRouter": "0xa3AB7E6cE24E6293bD5320A53329Ef2f4DE73fCA",
       "interchainGasPaymaster": "0x04438ef7622f5412f82915F59caD4f704C61eA48",
-      "interchainSecurityModule": "0x71b7cAF9bBA8e6dA3f7Bf851DDb4E68dDe1F2E03",
+      "interchainSecurityModule": "0xDabB212640f59026a861202ca82CDcD8181aD723",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0x6c13643B3927C57DB92c790E4E3E7Ee81e13f78C",
       "pausableHook": "0x783c4a0bB6663359281aD4a637D5af68F83ae213",
@@ -1138,7 +1138,7 @@
       "interchainAccountIsm": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
       "interchainAccountRouter": "0x867f2089D09903f208AeCac84E599B90E5a4A821",
       "interchainGasPaymaster": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
-      "interchainSecurityModule": "0x31d510CadF82D7Ddeb45aF0f43D340C3A3bE7FEa",
+      "interchainSecurityModule": "0x8214144F223b550E5BFf6164F2136F0Ef30bB8b3",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0xD5eB5fa3f470eBBB93a4A58C644c87031268a04A",
       "pausableHook": "0x51A0a100e7BC63Ea7821A3a023B6F17fb94FF011",
@@ -1206,7 +1206,7 @@
       "interchainAccountIsm": "0xFfa913705484C9BAea32Ffe9945BeA099A1DFF72",
       "interchainAccountRouter": "0xB5fB1F5410a2c2b7deD462d018541383968cB01c",
       "interchainGasPaymaster": "0xD5eB5fa3f470eBBB93a4A58C644c87031268a04A",
-      "interchainSecurityModule": "0x1f41d445C166d5FFBFfBa858259C6Ba96e7C44a2",
+      "interchainSecurityModule": "0x792F905736703DCb511066f2E0C4b97504CD2728",
       "mailbox": "0xB08d78F439e55D02C398519eef61606A5926245F",
       "merkleTreeHook": "0x783c4a0bB6663359281aD4a637D5af68F83ae213",
       "pausableHook": "0x66b71A4e18FbE09a6977A6520B47fEDdffA82a1c",
@@ -1267,7 +1267,7 @@
       "interchainAccountIsm": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
       "interchainAccountRouter": "0x867f2089D09903f208AeCac84E599B90E5a4A821",
       "interchainGasPaymaster": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
-      "interchainSecurityModule": "0x98F2B677415e9105F69d3323A2341127A370367C",
+      "interchainSecurityModule": "0x8214144F223b550E5BFf6164F2136F0Ef30bB8b3",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0xD5eB5fa3f470eBBB93a4A58C644c87031268a04A",
       "pausableHook": "0x51A0a100e7BC63Ea7821A3a023B6F17fb94FF011",
@@ -1395,7 +1395,7 @@
       "interchainAccountIsm": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
       "interchainAccountRouter": "0x867f2089D09903f208AeCac84E599B90E5a4A821",
       "interchainGasPaymaster": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
-      "interchainSecurityModule": "0x31d510CadF82D7Ddeb45aF0f43D340C3A3bE7FEa",
+      "interchainSecurityModule": "0x8214144F223b550E5BFf6164F2136F0Ef30bB8b3",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0xD5eB5fa3f470eBBB93a4A58C644c87031268a04A",
       "pausableHook": "0x51A0a100e7BC63Ea7821A3a023B6F17fb94FF011",
@@ -1459,7 +1459,7 @@
       "interchainAccountIsm": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
       "interchainAccountRouter": "0x867f2089D09903f208AeCac84E599B90E5a4A821",
       "interchainGasPaymaster": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
-      "interchainSecurityModule": "0x31d510CadF82D7Ddeb45aF0f43D340C3A3bE7FEa",
+      "interchainSecurityModule": "0x8214144F223b550E5BFf6164F2136F0Ef30bB8b3",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0xD5eB5fa3f470eBBB93a4A58C644c87031268a04A",
       "pausableHook": "0x51A0a100e7BC63Ea7821A3a023B6F17fb94FF011",
@@ -1710,7 +1710,7 @@
       "interchainAccountIsm": "0x54Bd02f0f20677e9846F8E9FdB1Abc7315C49C38",
       "interchainAccountRouter": "0xBF2C366530C1269d531707154948494D3fF4AcA7",
       "interchainGasPaymaster": "0xEa7e618Bee8927fBb2fA20Bc41eE8DEA51838aAD",
-      "interchainSecurityModule": "0x206789B0d838568eaFDcCa1e551FCF5c00bF99E2",
+      "interchainSecurityModule": "0xd89063A7e8Eaee25dA8D3b7eBcbAeF9869702A80",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0x7c5B5bdA7F1d1F70A6678ABb4d894612Fc76498F",
       "pausableHook": "0x628BC518ED1e0E8C6cbcD574EbA0ee29e7F6943E",
@@ -1730,6 +1730,10 @@
       "validatorAnnounce": "0x867f2089D09903f208AeCac84E599B90E5a4A821",
       "index": {
         "from": 5243565
+      },
+      "deployer": {
+        "name": "Abacus Works",
+        "url": "https://www.hyperlane.xyz"
       }
     },
     "sonictestnet": {
@@ -1769,7 +1773,7 @@
       "interchainAccountIsm": "0xc08675806BA844467E559E45E4bB59e66778bDcd",
       "interchainAccountRouter": "0x39c85C84876479694A2470c0E8075e9d68049aFc",
       "interchainGasPaymaster": "0xa3AB7E6cE24E6293bD5320A53329Ef2f4DE73fCA",
-      "interchainSecurityModule": "0x36c98C1909DC343270e8B898772646AC54B80abf",
+      "interchainSecurityModule": "0x8a5D09753Ab5571fa78131EF839C70AFa3c45bFd",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0x086E902d2f99BcCEAa28B31747eC6Dc5fd43B1bE",
       "pausableHook": "0xe0B988062A0C6492177d64823Ab95a9c256c2a5F",
@@ -1789,6 +1793,10 @@
       "validatorAnnounce": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
       "index": {
         "from": 78198240
+      },
+      "deployer": {
+        "name": "Abacus Works",
+        "url": "https://www.hyperlane.xyz"
       }
     },
     "unichaintestnet": {
@@ -1828,7 +1836,7 @@
       "interchainAccountIsm": "0x3ca332A585FDB9d4FF51f2FA8999eA32184D3606",
       "interchainAccountRouter": "0x4eC139a771eBdD3b0a0b67bb7E08960210882d44",
       "interchainGasPaymaster": "0xa3AB7E6cE24E6293bD5320A53329Ef2f4DE73fCA",
-      "interchainSecurityModule": "0xbfb6EdE47bFa3d496a0B70BA11e61c4e25e9843F",
+      "interchainSecurityModule": "0x4B2e8f63E345Db18973E46cE70972cE3D76585Bf",
       "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
       "merkleTreeHook": "0x086E902d2f99BcCEAa28B31747eC6Dc5fd43B1bE",
       "pausableHook": "0xe0B988062A0C6492177d64823Ab95a9c256c2a5F",
@@ -1848,6 +1856,73 @@
       "validatorAnnounce": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
       "index": {
         "from": 1721192
+      },
+      "deployer": {
+        "name": "Abacus Works",
+        "url": "https://www.hyperlane.xyz"
+      }
+    },
+    "odysseytestnet": {
+      "blockExplorers": [
+        {
+          "apiUrl": "https://odyssey-explorer.ithaca.xyz/api",
+          "family": "blockscout",
+          "name": "Odyssey Explorer",
+          "url": "https://odyssey-explorer.ithaca.xyz"
+        }
+      ],
+      "blocks": {
+        "confirmations": 1,
+        "estimateBlockTime": 1,
+        "reorgPeriod": 1
+      },
+      "chainId": 911867,
+      "displayName": "Odyssey Testnet",
+      "domainId": 911867,
+      "isTestnet": true,
+      "name": "odysseytestnet",
+      "nativeToken": {
+        "decimals": 18,
+        "name": "Ether",
+        "symbol": "ETH"
+      },
+      "protocol": "ethereum",
+      "rpcUrls": [
+        {
+          "http": "https://odyssey.ithaca.xyz"
+        }
+      ],
+      "aggregationHook": "0xf96cF73BB4e57F90479cD8f74bb4C1f6a0c3da50",
+      "domainRoutingIsm": "0x2a2F4AAaf726abb4B969c2804D38e188555683b5",
+      "domainRoutingIsmFactory": "0x44b764045BfDC68517e10e783E69B376cef196B2",
+      "fallbackRoutingHook": "0xa3AB7E6cE24E6293bD5320A53329Ef2f4DE73fCA",
+      "interchainAccountIsm": "0xBF2C366530C1269d531707154948494D3fF4AcA7",
+      "interchainAccountRouter": "0xBdf49bE2201A1c4B13023F0a407196C6Adb32680",
+      "interchainGasPaymaster": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
+      "interchainSecurityModule": "0x9e71cC1A91E48CfFA2F7D2956eB5c3b730bD8605",
+      "mailbox": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
+      "merkleTreeHook": "0xFfa913705484C9BAea32Ffe9945BeA099A1DFF72",
+      "pausableHook": "0xc76E477437065093D353b7d56c81ff54D167B0Ab",
+      "pausableIsm": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
+      "protocolFee": "0xfBeaF07855181f8476B235Cf746A7DF3F9e386Fb",
+      "proxyAdmin": "0x54148470292C24345fb828B003461a9444414517",
+      "staticAggregationHookFactory": "0x16B710b86CAd07E6F1C531861a16F5feC29dba37",
+      "staticAggregationIsm": "0x9e71cC1A91E48CfFA2F7D2956eB5c3b730bD8605",
+      "staticAggregationIsmFactory": "0xeb6f11189197223c656807a83B0DD374f9A6dF44",
+      "staticMerkleRootMultisigIsmFactory": "0xfc6e546510dC9d76057F1f76633FCFfC188CB213",
+      "staticMerkleRootWeightedMultisigIsmFactory": "0xC2E36cd6e32e194EE11f15D9273B64461A4D49A2",
+      "staticMessageIdMultisigIsmFactory": "0x275aCcCa81cAD931dC6fB6E49ED233Bc99Bed4A7",
+      "staticMessageIdWeightedMultisigIsmFactory": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
+      "storageGasOracle": "0xB5fB1F5410a2c2b7deD462d018541383968cB01c",
+      "testRecipient": "0x5e65279Fb7293a058776e37587398fcc3E9184b1",
+      "timelockController": "0x0000000000000000000000000000000000000000",
+      "validatorAnnounce": "0x54Bd02f0f20677e9846F8E9FdB1Abc7315C49C38",
+      "index": {
+        "from": 67925
+      },
+      "deployer": {
+        "name": "Abacus Works",
+        "url": "https://www.hyperlane.xyz"
       }
     }
   },
diff --git a/typescript/infra/config/environments/testnet4/agent.ts b/typescript/infra/config/environments/testnet4/agent.ts
index e16f7849f..18b4b7690 100644
--- a/typescript/infra/config/environments/testnet4/agent.ts
+++ b/typescript/infra/config/environments/testnet4/agent.ts
@@ -43,6 +43,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
   [Role.Validator]: {
     alfajores: true,
     arbitrumsepolia: true,
+    arcadiatestnet: true,
     basesepolia: true,
     berabartio: true,
     bsctestnet: true,
@@ -55,7 +56,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
     fuji: true,
     holesky: true,
     // hyperliquidevmtestnet: false,
-    arcadiatestnet: true,
+    odysseytestnet: true,
     optimismsepolia: true,
     // Disabling plumetestnet on Sept 16, 2024: chain is paused for "airplane mode"
     // plumetestnet: true,
@@ -72,6 +73,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
   [Role.Relayer]: {
     alfajores: true,
     arbitrumsepolia: true,
+    arcadiatestnet: true,
     basesepolia: true,
     berabartio: true,
     bsctestnet: true,
@@ -84,7 +86,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
     fuji: true,
     holesky: true,
     // hyperliquidevmtestnet: false,
-    arcadiatestnet: true,
+    odysseytestnet: true,
     optimismsepolia: true,
     // Disabling plumetestnet on Sept 16, 2024: chain is paused for "airplane mode"
     // plumetestnet: true,
@@ -101,6 +103,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
   [Role.Scraper]: {
     alfajores: true,
     arbitrumsepolia: true,
+    arcadiatestnet: true,
     basesepolia: true,
     berabartio: true,
     bsctestnet: true,
@@ -114,7 +117,7 @@ export const hyperlaneContextAgentChainConfig: AgentChainConfig<
     fuji: true,
     holesky: true,
     // hyperliquidevmtestnet: false,
-    arcadiatestnet: true,
+    odysseytestnet: true,
     optimismsepolia: true,
     // Disabling plumetestnet on Sept 16, 2024: chain is paused for "airplane mode"
     // plumetestnet: true,
@@ -206,7 +209,7 @@ const hyperlane: RootAgentConfig = {
     rpcConsensusType: RpcConsensusType.Fallback,
     docker: {
       repo,
-      tag: '1f80087-20241010-170348',
+      tag: '463b35b-20241011-161150',
     },
     blacklist: [...releaseCandidateHelloworldMatchingList, ...relayBlacklist],
     gasPaymentEnforcement,
@@ -228,7 +231,7 @@ const hyperlane: RootAgentConfig = {
     rpcConsensusType: RpcConsensusType.Fallback,
     docker: {
       repo,
-      tag: '1f80087-20241010-170348',
+      tag: '463b35b-20241011-161150',
     },
     chains: validatorChainConfig(Contexts.Hyperlane),
     resources: validatorResources,
@@ -237,7 +240,7 @@ const hyperlane: RootAgentConfig = {
     rpcConsensusType: RpcConsensusType.Fallback,
     docker: {
       repo,
-      tag: '1f80087-20241010-170348',
+      tag: '463b35b-20241011-161150',
     },
     resources: scraperResources,
   },
diff --git a/typescript/infra/config/environments/testnet4/aw-validators/hyperlane.json b/typescript/infra/config/environments/testnet4/aw-validators/hyperlane.json
index 531d26084..ce4a9509f 100644
--- a/typescript/infra/config/environments/testnet4/aw-validators/hyperlane.json
+++ b/typescript/infra/config/environments/testnet4/aw-validators/hyperlane.json
@@ -9,6 +9,9 @@
   "arbitrumsepolia": {
     "validators": ["0x09fabfbca0b8bf042e2a1161ee5010d147b0f603"]
   },
+  "arcadiatestnet": {
+    "validators": ["0x7ce5973d3f22971546efb86f5a0417c1248e92f5"]
+  },
   "basesepolia": {
     "validators": ["0x82e3b437a2944e3ff00258c93e72cd1ba5e0e921"]
   },
@@ -47,8 +50,8 @@
   "holesky": {
     "validators": ["0x7ab28ad88bb45867137ea823af88e2cb02359c03"]
   },
-  "arcadiatestnet": {
-    "validators": ["0x7ce5973d3f22971546efb86f5a0417c1248e92f5"]
+  "odysseytestnet": {
+    "validators": ["0xcc0a6e2d6aa8560b45b384ced7aa049870b66ea3"]
   },
   "optimismsepolia": {
     "validators": ["0x03efe4d0632ee15685d7e8f46dea0a874304aa29"]
diff --git a/typescript/infra/config/environments/testnet4/core/verification.json b/typescript/infra/config/environments/testnet4/core/verification.json
index c57b15308..f43da291e 100644
--- a/typescript/infra/config/environments/testnet4/core/verification.json
+++ b/typescript/infra/config/environments/testnet4/core/verification.json
@@ -1864,5 +1864,81 @@
       "constructorArguments": "000000000000000000000000ddcfecf17586d08a5740b7d91735fcce3dfe3eed",
       "isProxy": false
     }
+  ],
+  "odysseytestnet": [
+    {
+      "name": "ProxyAdmin",
+      "address": "0x54148470292C24345fb828B003461a9444414517",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "Mailbox",
+      "address": "0x589C201a07c26b4725A4A829d772f24423da480B",
+      "constructorArguments": "00000000000000000000000000000000000000000000000000000000000de9fb",
+      "isProxy": false
+    },
+    {
+      "name": "TransparentUpgradeableProxy",
+      "address": "0xDDcFEcF17586D08A5740B7D91735fcCE3dfe3eeD",
+      "constructorArguments": "000000000000000000000000589c201a07c26b4725a4a829d772f24423da480b00000000000000000000000054148470292c24345fb828b003461a944441451700000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000",
+      "isProxy": true,
+      "expectedimplementation": "0x589C201a07c26b4725A4A829d772f24423da480B"
+    },
+    {
+      "name": "PausableIsm",
+      "address": "0xA2cf52064c921C11adCd83588CbEa08cc3bfF5d8",
+      "constructorArguments": "000000000000000000000000fad1c94469700833717fa8a3017278bc1ca8031c",
+      "isProxy": false
+    },
+    {
+      "name": "MerkleTreeHook",
+      "address": "0xFfa913705484C9BAea32Ffe9945BeA099A1DFF72",
+      "constructorArguments": "000000000000000000000000ddcfecf17586d08a5740b7d91735fcce3dfe3eed",
+      "isProxy": false
+    },
+    {
+      "name": "FallbackRoutingHook",
+      "address": "0xa3AB7E6cE24E6293bD5320A53329Ef2f4DE73fCA",
+      "constructorArguments": "000000000000000000000000ddcfecf17586d08a5740b7d91735fcce3dfe3eed000000000000000000000000fad1c94469700833717fa8a3017278bc1ca8031c000000000000000000000000ffa913705484c9baea32ffe9945bea099a1dff72",
+      "isProxy": false
+    },
+    {
+      "name": "PausableHook",
+      "address": "0xc76E477437065093D353b7d56c81ff54D167B0Ab",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StorageGasOracle",
+      "address": "0xB5fB1F5410a2c2b7deD462d018541383968cB01c",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "InterchainGasPaymaster",
+      "address": "0x7483faD0Bc297667664A43A064bA7c9911659f57",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "TransparentUpgradeableProxy",
+      "address": "0xD356C996277eFb7f75Ee8bd61b31cC781A12F54f",
+      "constructorArguments": "0000000000000000000000007483fad0bc297667664a43a064ba7c9911659f5700000000000000000000000054148470292c24345fb828b003461a944441451700000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000044485cc955000000000000000000000000fad1c94469700833717fa8a3017278bc1ca8031c000000000000000000000000fad1c94469700833717fa8a3017278bc1ca8031c00000000000000000000000000000000000000000000000000000000",
+      "isProxy": true,
+      "expectedimplementation": "0x7483faD0Bc297667664A43A064bA7c9911659f57"
+    },
+    {
+      "name": "ProtocolFee",
+      "address": "0xfBeaF07855181f8476B235Cf746A7DF3F9e386Fb",
+      "constructorArguments": "000000000000000000000000000000000000000000000000000000003b9aca000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000fad1c94469700833717fa8a3017278bc1ca8031c000000000000000000000000fad1c94469700833717fa8a3017278bc1ca8031c",
+      "isProxy": false
+    },
+    {
+      "name": "ValidatorAnnounce",
+      "address": "0x54Bd02f0f20677e9846F8E9FdB1Abc7315C49C38",
+      "constructorArguments": "000000000000000000000000ddcfecf17586d08a5740b7d91735fcce3dfe3eed",
+      "isProxy": false
+    }
   ]
 }
diff --git a/typescript/infra/config/environments/testnet4/funding.ts b/typescript/infra/config/environments/testnet4/funding.ts
index 72e9e1adc..938dd880f 100644
--- a/typescript/infra/config/environments/testnet4/funding.ts
+++ b/typescript/infra/config/environments/testnet4/funding.ts
@@ -10,7 +10,7 @@ export const keyFunderConfig: KeyFunderConfig<
 > = {
   docker: {
     repo: 'gcr.io/abacus-labs-dev/hyperlane-monorepo',
-    tag: '1f80087-20241010-170343',
+    tag: '463b35b-20241011-161139',
   },
   // We're currently using the same deployer key as testnet2.
   // To minimize nonce clobbering we offset the key funder cron
@@ -28,6 +28,7 @@ export const keyFunderConfig: KeyFunderConfig<
   desiredBalancePerChain: {
     alfajores: '5',
     arbitrumsepolia: '0.1',
+    arcadiatestnet: '0.1',
     basesepolia: '0.1',
     berabartio: '0.1',
     bsctestnet: '5',
@@ -41,7 +42,7 @@ export const keyFunderConfig: KeyFunderConfig<
     fuji: '5',
     holesky: '5',
     // hyperliquidevmtestnet: '0.1',
-    arcadiatestnet: '0.1',
+    odysseytestnet: '0.1',
     optimismsepolia: '0.1',
     // Disabling plumetestnet on Sept 16, 2024: chain is paused for "airplane mode"
     // plumetestnet: '0.2',
diff --git a/typescript/infra/config/environments/testnet4/gasPrices.json b/typescript/infra/config/environments/testnet4/gasPrices.json
index 16721fec3..d3a14a854 100644
--- a/typescript/infra/config/environments/testnet4/gasPrices.json
+++ b/typescript/infra/config/environments/testnet4/gasPrices.json
@@ -4,19 +4,23 @@
     "decimals": 9
   },
   "arbitrumsepolia": {
-    "amount": "0.1",
+    "amount": "0.11832",
+    "decimals": 9
+  },
+  "arcadiatestnet": {
+    "amount": "0.000000008",
     "decimals": 9
   },
   "basesepolia": {
-    "amount": "0.848937045",
+    "amount": "0.418699218",
     "decimals": 9
   },
   "berabartio": {
-    "amount": "0.001002518",
+    "amount": "0.005844801",
     "decimals": 9
   },
   "bsctestnet": {
-    "amount": "6.24",
+    "amount": "5.0",
     "decimals": 9
   },
   "camptestnet": {
@@ -48,27 +52,27 @@
     "decimals": 9
   },
   "holesky": {
-    "amount": "5.303619742",
+    "amount": "5.827232784",
     "decimals": 9
   },
-  "arcadiatestnet": {
-    "amount": "0.000000008",
+  "odysseytestnet": {
+    "amount": "1.000000252",
     "decimals": 9
   },
   "optimismsepolia": {
-    "amount": "0.001000352",
+    "amount": "0.001000268",
     "decimals": 9
   },
   "polygonamoy": {
-    "amount": "76.735824005",
+    "amount": "112.53",
     "decimals": 9
   },
   "scrollsepolia": {
-    "amount": "0.096714808",
+    "amount": "0.167584424",
     "decimals": 9
   },
   "sepolia": {
-    "amount": "17.754991636",
+    "amount": "37.999464941",
     "decimals": 9
   },
   "solanatestnet": {
@@ -76,7 +80,7 @@
     "decimals": 9
   },
   "soneiumtestnet": {
-    "amount": "0.001000259",
+    "amount": "0.001000261",
     "decimals": 9
   },
   "sonictestnet": {
diff --git a/typescript/infra/config/environments/testnet4/ism/verification.json b/typescript/infra/config/environments/testnet4/ism/verification.json
index 63fb16463..8fb1bf91e 100644
--- a/typescript/infra/config/environments/testnet4/ism/verification.json
+++ b/typescript/infra/config/environments/testnet4/ism/verification.json
@@ -2350,5 +2350,91 @@
       "constructorArguments": "",
       "isProxy": true
     }
+  ],
+  "odysseytestnet": [
+    {
+      "name": "StaticMerkleRootMultisigIsmFactory",
+      "address": "0xfc6e546510dC9d76057F1f76633FCFfC188CB213",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StaticMerkleRootMultisigIsm",
+      "address": "0x99B304925A08aba9305bC0A8FccBf71B4290c5EF",
+      "constructorArguments": "",
+      "isProxy": true
+    },
+    {
+      "name": "StaticMessageIdMultisigIsmFactory",
+      "address": "0x275aCcCa81cAD931dC6fB6E49ED233Bc99Bed4A7",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StaticMessageIdMultisigIsm",
+      "address": "0x33999AB153F68D481AAB1B238368Ffd1Fe81F360",
+      "constructorArguments": "",
+      "isProxy": true
+    },
+    {
+      "name": "StaticAggregationIsmFactory",
+      "address": "0xeb6f11189197223c656807a83B0DD374f9A6dF44",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StaticAggregationIsm",
+      "address": "0x3e6F45B03314bD21BcE4201666d483291575E391",
+      "constructorArguments": "",
+      "isProxy": true
+    },
+    {
+      "name": "StaticAggregationHookFactory",
+      "address": "0x16B710b86CAd07E6F1C531861a16F5feC29dba37",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StaticAggregationHook",
+      "address": "0x87935eB971eaA9826060261b07a919451dfd0409",
+      "constructorArguments": "",
+      "isProxy": true
+    },
+    {
+      "name": "DomainRoutingIsmFactory",
+      "address": "0x44b764045BfDC68517e10e783E69B376cef196B2",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "DomaingRoutingIsm",
+      "address": "0xE5cA56294dA5Bd490D5Bc489B177B002ad16AF83",
+      "constructorArguments": "",
+      "isProxy": true
+    },
+    {
+      "name": "StaticMerkleRootWeightedMultisigIsmFactory",
+      "address": "0xC2E36cd6e32e194EE11f15D9273B64461A4D49A2",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StaticMerkleRootWeightedMultisigIsm",
+      "address": "0x7fFe8C9c17F46F94D784E148FbadD4bF66477722",
+      "constructorArguments": "",
+      "isProxy": true
+    },
+    {
+      "name": "StaticMessageIdWeightedMultisigIsmFactory",
+      "address": "0x6966b0E55883d49BFB24539356a2f8A673E02039",
+      "constructorArguments": "",
+      "isProxy": false
+    },
+    {
+      "name": "StaticMessageIdWeightedMultisigIsm",
+      "address": "0x4863236F3a05A1A1F0850fF8cd09afeBAE82d953",
+      "constructorArguments": "",
+      "isProxy": true
+    }
   ]
 }
diff --git a/typescript/infra/config/environments/testnet4/middleware/accounts/verification.json b/typescript/infra/config/environments/testnet4/middleware/accounts/verification.json
index 74e8061c2..efe1a13ea 100644
--- a/typescript/infra/config/environments/testnet4/middleware/accounts/verification.json
+++ b/typescript/infra/config/environments/testnet4/middleware/accounts/verification.json
@@ -493,5 +493,26 @@
       "isProxy": true,
       "expectedimplementation": "0xF61322936D80cd87B49df48F3DE24fD5c02dE9D1"
     }
+  ],
+  "odysseytestnet": [
+    {
+      "name": "InterchainAccountIsm",
+      "address": "0xBF2C366530C1269d531707154948494D3fF4AcA7",
+      "constructorArguments": "000000000000000000000000ddcfecf17586d08a5740b7d91735fcce3dfe3eed",
+      "isProxy": false
+    },
+    {
+      "name": "InterchainAccountRouter",
+      "address": "0x843908541D24d9F6Fa30C8Bb1c39038C947D08fC",
+      "constructorArguments": "000000000000000000000000ddcfecf17586d08a5740b7d91735fcce3dfe3eed",
+      "isProxy": false
+    },
+    {
+      "name": "TransparentUpgradeableProxy",
+      "address": "0xBdf49bE2201A1c4B13023F0a407196C6Adb32680",
+      "constructorArguments": "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",
+      "isProxy": true,
+      "expectedimplementation": "0x843908541D24d9F6Fa30C8Bb1c39038C947D08fC"
+    }
   ]
 }
diff --git a/typescript/infra/config/environments/testnet4/supportedChainNames.ts b/typescript/infra/config/environments/testnet4/supportedChainNames.ts
index 466906857..3643ff89a 100644
--- a/typescript/infra/config/environments/testnet4/supportedChainNames.ts
+++ b/typescript/infra/config/environments/testnet4/supportedChainNames.ts
@@ -2,6 +2,7 @@
 export const testnet4SupportedChainNames = [
   'alfajores',
   'arbitrumsepolia',
+  'arcadiatestnet',
   'basesepolia',
   'berabartio',
   'bsctestnet',
@@ -14,7 +15,7 @@ export const testnet4SupportedChainNames = [
   'fuji',
   'holesky',
   // 'hyperliquidevmtestnet',
-  'arcadiatestnet',
+  'odysseytestnet',
   'optimismsepolia',
   // Disabling plumetestnet on Sept 16, 2024: chain is paused for "airplane mode"
   // 'plumetestnet',
diff --git a/typescript/infra/config/environments/testnet4/tokenPrices.json b/typescript/infra/config/environments/testnet4/tokenPrices.json
index 92e5f4a70..79c1811b2 100644
--- a/typescript/infra/config/environments/testnet4/tokenPrices.json
+++ b/typescript/infra/config/environments/testnet4/tokenPrices.json
@@ -1,6 +1,7 @@
 {
   "alfajores": "10",
   "arbitrumsepolia": "10",
+  "arcadiatestnet": "10",
   "basesepolia": "10",
   "berabartio": "10",
   "bsctestnet": "10",
@@ -12,7 +13,7 @@
   "formtestnet": "10",
   "fuji": "10",
   "holesky": "10",
-  "arcadiatestnet": "10",
+  "odysseytestnet": "10",
   "optimismsepolia": "10",
   "polygonamoy": "10",
   "scrollsepolia": "10",
diff --git a/typescript/infra/config/environments/testnet4/validators.ts b/typescript/infra/config/environments/testnet4/validators.ts
index 3c53b47da..5db953450 100644
--- a/typescript/infra/config/environments/testnet4/validators.ts
+++ b/typescript/infra/config/environments/testnet4/validators.ts
@@ -330,5 +330,18 @@ export const validatorChainConfig = (
         'arcadiatestnet',
       ),
     },
+
+    odysseytestnet: {
+      interval: 5,
+      reorgPeriod: getReorgPeriod('odysseytestnet'),
+      validators: validatorsConfig(
+        {
+          [Contexts.Hyperlane]: ['0xcc0a6e2d6aa8560b45b384ced7aa049870b66ea3'],
+          [Contexts.ReleaseCandidate]: [],
+          [Contexts.Neutron]: [],
+        },
+        'odysseytestnet',
+      ),
+    },
   };
 };
diff --git a/typescript/sdk/src/consts/multisigIsm.ts b/typescript/sdk/src/consts/multisigIsm.ts
index f9a752fba..5258e68c0 100644
--- a/typescript/sdk/src/consts/multisigIsm.ts
+++ b/typescript/sdk/src/consts/multisigIsm.ts
@@ -492,6 +492,11 @@ export const defaultMultisigConfigs: ChainMap<MultisigConfig> = {
     ],
   },
 
+  odysseytestnet: {
+    threshold: 1,
+    validators: ['0xcc0a6e2d6aa8560b45b384ced7aa049870b66ea3'],
+  },
+
   oortmainnet: {
     threshold: 2,
     validators: [