diff --git a/ethereum/1conf.patch b/ethereum/1conf.patch
new file mode 100644
index 000000000..11d3d9c13
--- /dev/null
+++ b/ethereum/1conf.patch
@@ -0,0 +1,22 @@
+diff --git a/ethereum/contracts/bridge/Bridge.sol b/ethereum/contracts/bridge/Bridge.sol
+index 3f06757f..6c70e6fa 100644
+--- a/ethereum/contracts/bridge/Bridge.sol
++++ b/ethereum/contracts/bridge/Bridge.sol
+@@ -58,7 +58,7 @@ contract Bridge is BridgeGovernance, ReentrancyGuard {
+ 
+         sequence = wormhole().publishMessage{
+             value : msg.value
+-        }(nonce, encoded, 15);
++        }(nonce, encoded, 1);
+     }
+ 
+     function wrapAndTransferETH(uint16 recipientChain, bytes32 recipient, uint256 arbiterFee, uint32 nonce) public payable returns (uint64 sequence) {
+@@ -173,7 +173,7 @@ contract Bridge is BridgeGovernance, ReentrancyGuard {
+ 
+         sequence = wormhole().publishMessage{
+             value : callValue
+-        }(nonce, encoded, 15);
++        }(nonce, encoded, 1);
+     }
+ 
+     function updateWrapped(bytes memory encodedVm) external returns (address token) {
diff --git a/ethereum/migrations/6_deploy_bridge_implementation_only.js b/ethereum/migrations/6_deploy_bridge_implementation_only.js
new file mode 100644
index 000000000..edb2b6881
--- /dev/null
+++ b/ethereum/migrations/6_deploy_bridge_implementation_only.js
@@ -0,0 +1,12 @@
+// run with:
+// npm run deploy-bridge-implementation-only
+// e.g. Ethereum Mainnet
+// INFURA_KEY="" MNEMONIC="" npm run deploy-bridge-implementation-only -- --network mainnet
+// e.g. BSC
+// MNEMONIC="" npm run deploy-bridge-implementation-only -- --network binance
+// e.g. Polygon
+// MNEMONIC="" npm run deploy-bridge-implementation-only -- --network polygon
+const BridgeImplementation = artifacts.require("BridgeImplementation");
+module.exports = async function(deployer) {
+  await deployer.deploy(BridgeImplementation);
+};
diff --git a/ethereum/package.json b/ethereum/package.json
index 1c7cf8f81..08b77d868 100644
--- a/ethereum/package.json
+++ b/ethereum/package.json
@@ -13,7 +13,7 @@
     "@truffle/hdwallet-provider": "^1.7.0",
     "chai": "^4.2.0",
     "mocha": "^8.2.1",
-    "truffle": "^5.3.6",
+    "truffle": "^5.3.14",
     "truffle-assertions": "^0.9.2",
     "truffle-plugin-verify": "^0.5.11"
   },
@@ -22,8 +22,9 @@
     "test": "mkdir -p build/contracts && cp node_modules/@openzeppelin/contracts/build/contracts/* build/contracts/ && truffle test",
     "migrate": "mkdir -p build/contracts && cp node_modules/@openzeppelin/contracts/build/contracts/* build/contracts/ && truffle migrate --to 5",
     "flatten": "mkdir -p node_modules/@poanet/solidity-flattener/contracts && cp -r contracts/* node_modules/@poanet/solidity-flattener/contracts/ && poa-solidity-flattener",
-    "deploy_weth9": "mkdir -p build/contracts && cp node_modules/@openzeppelin/contracts/build/contracts/* build/contracts/ && truffle migrate --f 9",
-    "verify": "patch -u -f node_modules/truffle-plugin-verify/constants.js -i truffle-verify-constants.patch; truffle run verify $npm_config_module@$npm_config_contract_address --network $npm_config_network"
+    "verify": "patch -u -f node_modules/truffle-plugin-verify/constants.js -i truffle-verify-constants.patch; truffle run verify $npm_config_module@$npm_config_contract_address --network $npm_config_network",
+    "deploy-bridge-implementation-only": "mkdir -p build/contracts && cp node_modules/@openzeppelin/contracts/build/contracts/* build/contracts/ && truffle migrate --f 6",
+    "deploy_weth9": "mkdir -p build/contracts && cp node_modules/@openzeppelin/contracts/build/contracts/* build/contracts/ && truffle migrate --f 9"
   },
   "author": "",
   "license": "ISC",
diff --git a/ethereum/truffle-config.js b/ethereum/truffle-config.js
index 4045ba131..6e768a05e 100644
--- a/ethereum/truffle-config.js
+++ b/ethereum/truffle-config.js
@@ -16,7 +16,7 @@ module.exports = {
         ),
       network_id: 1,
       gas: 10000000,
-      gasPrice: 101000000000,
+      gasPrice: 191000000000,
       confirmations: 1,
       timeoutBlocks: 200,
       skipDryRun: false,
@@ -55,6 +55,52 @@ module.exports = {
       gas: 70000000,
       gasPrice: 8000000000,
     },
+    binance_testnet: {
+      provider: () => new HDWalletProvider(
+        process.env.MNEMONIC,
+        "https://data-seed-prebsc-1-s1.binance.org:8545/"
+      ),
+      network_id: "97",
+      gas: 70000000,
+      gasPrice: 8000000000,
+    },
+    polygon: {
+      provider: () => {
+        return new HDWalletProvider(
+          process.env.MNEMONIC,
+          "https://polygon-rpc.com"
+        );
+      },
+      network_id: "137",
+      gas: 10000000,
+      gasPrice: 700000000000,
+    },
+    mumbai: {
+      provider: () => {
+        return new HDWalletProvider(
+          process.env.MNEMONIC,
+          "https://polygon-mumbai.infura.io/v3/" + process.env.INFURA_KEY)
+      },
+      network_id: "80001",
+    },
+    avalanche: {
+      provider: () => {
+        return new HDWalletProvider(
+          process.env.MNEMONIC,
+          "https://api.avax.network/ext/bc/C/rpc"
+        );
+      },
+      network_id: "43114",
+      gas: 8000000,
+      gasPrice: 26000000000,
+    },
+    fuji: {
+      provider: () => new HDWalletProvider(
+        process.env.MNEMONIC,
+        "https://api.avax-test.network/ext/bc/C/rpc"
+      ),
+      network_id: "43113",
+    },
     oasis: {
       provider: () => {
         return new HDWalletProvider(