diff --git a/package.json b/package.json
index 7cb8ced..b20bad4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@across-protocol/constants",
-  "version": "3.1.94",
+  "version": "3.1.95",
   "description": "Export commonly re-used values for Across repositories",
   "repository": {
     "type": "git",
diff --git a/src/networks.ts b/src/networks.ts
index 9398dcb..222d69e 100644
--- a/src/networks.ts
+++ b/src/networks.ts
@@ -40,6 +40,7 @@ export const MAINNET_CHAIN_IDs = {
   LINEA: 59144,
   LISK: 1135,
   MAINNET: 1,
+  MEGAETH: 4326,
   MODE: 34443,
   MONAD: 143,
   OPTIMISM: 10,
@@ -79,6 +80,7 @@ export const PRODUCTION_OFT_EIDs = {
   INK: 30339,
   MAINNET: 30101,
   MONAD: 30390,
+  MEGAETH: 30398,
   OPTIMISM: 30111,
   PLASMA: 30383,
   POLYGON: 30109,
@@ -275,6 +277,16 @@ export const PRODUCTION_NETWORKS: { [chainId: number]: PublicNetwork } = {
     oftEid: PRODUCTION_OFT_EIDs.MAINNET,
     hypDomainId: MAINNET_CHAIN_IDs.MAINNET,
   },
+  [CHAIN_IDs.MEGAETH]: {
+    name: "MegaETH",
+    family: OP_STACK,
+    nativeToken: "ETH",
+    publicRPC: "https://mainnet.megaeth.com/rpc",
+    blockExplorer: "https://megaeth.blockscout.com",
+    cctpDomain: CCTP_NO_DOMAIN,
+    oftEid: PRODUCTION_OFT_EIDs.MEGAETH,
+    hypDomainId: MAINNET_CHAIN_IDs.MEGAETH,
+  },
   [CHAIN_IDs.MODE]: {
     name: "Mode",
     family: OP_STACK,
diff --git a/src/tokens.ts b/src/tokens.ts
index 3cbbc87..c30f0fd 100644
--- a/src/tokens.ts
+++ b/src/tokens.ts
@@ -132,6 +132,7 @@ export const TOKEN_SYMBOLS_MAP = {
       [CHAIN_IDs.LISK]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.LISK_SEPOLIA]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.MAINNET]: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
+      [CHAIN_IDs.MEGAETH]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.MODE]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.MODE_SEPOLIA]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.OPTIMISM]: "0x4200000000000000000000000000000000000006",
@@ -468,6 +469,15 @@ export const TOKEN_SYMBOLS_MAP = {
     },
     coingeckoId: "usdh-2",
   },
+  USDM: {
+    name: "MegaUSD",
+    symbol: "USDM",
+    decimals: 18,
+    addresses: {
+      [CHAIN_IDs.MAINNET]: "0xEc2AF1C8B110a61fD9C3Fa6a554a031Ca9943926",
+      // [CHAIN_IDs.MEGAETH]: "" @todo
+    }
+  },
   USDT: {
     name: "Tether USD",
     symbol: "USDT",
@@ -482,6 +492,7 @@ export const TOKEN_SYMBOLS_MAP = {
       [CHAIN_IDs.LINEA]: "0xA219439258ca9da29E9Cc4cE5596924745e12B93",
       [CHAIN_IDs.LISK]: "0x05D032ac25d322df992303dCa074EE7392C117b9",
       [CHAIN_IDs.MAINNET]: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
+      // [CHAIN_IDs.MEGAETH]: "", @todo
       [CHAIN_IDs.MONAD]: "0xe7cd86e13AC4309349F30B3435a9d337750fC82D",
       [CHAIN_IDs.MONAD_TESTNET]: "0x88b8E2161DEDC77EF4ab7585569D2415a1C1055D",
       [CHAIN_IDs.MODE]: "0xf0F161fDA2712DB8b566946122a5af183995e2eD",
@@ -607,6 +618,7 @@ export const TOKEN_SYMBOLS_MAP = {
       [CHAIN_IDs.LISK]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.LISK_SEPOLIA]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.MAINNET]: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
+      [CHAIN_IDs.MEGAETH]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.MODE]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.MODE_SEPOLIA]: "0x4200000000000000000000000000000000000006",
       [CHAIN_IDs.OPTIMISM]: "0x4200000000000000000000000000000000000006",