diff --git a/modules/bitgo/src/v2/coinFactory.ts b/modules/bitgo/src/v2/coinFactory.ts
index 5dfd3c733a..5b1a4e2555 100644
--- a/modules/bitgo/src/v2/coinFactory.ts
+++ b/modules/bitgo/src/v2/coinFactory.ts
@@ -259,8 +259,10 @@ export function registerCoinConstructors(coinFactory: CoinFactory, coinMap: Coin
   coinFactory.register('eth', Eth.createInstance);
   coinFactory.register('ethw', Ethw.createInstance);
   coinFactory.register('baseeth', EthLikeCoin.createInstance);
+  coinFactory.register('opbnb', EthLikeCoin.createInstance);
   coinFactory.register('og', EthLikeCoin.createInstance);
   coinFactory.register('tog', EthLikeCoin.createInstance);
+  coinFactory.register('topbnb', TethLikeCoin.createInstance);
   coinFactory.register('tbaseeth', TethLikeCoin.createInstance);
   coinFactory.register('fiataed', FiatAED.createInstance);
   coinFactory.register('fiateur', FiatEur.createInstance);
@@ -641,8 +643,12 @@ export function getCoinConstructor(coinName: string): CoinConstructor | undefine
       return Ethw.createInstance;
     case 'baseeth':
       return EthLikeCoin.createInstance;
+    case 'opbnb':
+      return EthLikeCoin.createInstance;
     case 'tbaseeth':
       return TethLikeCoin.createInstance;
+    case 'topbnb':
+      return TethLikeCoin.createInstance;
     case 'fiataed':
       return FiatAED.createInstance;
     case 'fiateur':
@@ -993,6 +999,10 @@ export function getTokenConstructor(tokenConfig: TokenConfig): CoinConstructor |
     case 'tbaseeth':
       const coinNames = { Mainnet: 'baseeth', Testnet: 'tbaseeth' };
       return EthLikeErc20Token.createTokenConstructor(tokenConfig as EthLikeTokenConfig, coinNames);
+    case 'opbnb':
+    case 'topbnb':
+      const opbnbCoinNames = { Mainnet: 'opbnb', Testnet: 'topbnb' };
+      return EthLikeErc20Token.createTokenConstructor(tokenConfig as EthLikeTokenConfig, opbnbCoinNames);
     case 'coredao':
     case 'tcoredao':
       return CoredaoToken.createTokenConstructor(tokenConfig as EthLikeTokenConfig);
diff --git a/modules/sdk-coin-ethlike/test/fixtures/ethlikeCoin.ts b/modules/sdk-coin-ethlike/test/fixtures/ethlikeCoin.ts
index f8743292c0..03284c055f 100644
--- a/modules/sdk-coin-ethlike/test/fixtures/ethlikeCoin.ts
+++ b/modules/sdk-coin-ethlike/test/fixtures/ethlikeCoin.ts
@@ -70,6 +70,11 @@ export const ccr = {
       '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',
     txid: '0x663729bbb68b7638a7a58194e69546d64bb5536422f30557ef0118028317f3a8',
   },
+  topbnb: {
+    txHex:
+      '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',
+    txid: '0x48052a9408a20f317b938dbcd7c30c6019c19571ed07ded11853bae9f16493fd',
+  },
 };
 export const encryptedUserKey =
   '{"iv":"VFZ3jvXhxo1Z+Yaf2MtZnA==","v":1,"iter":10000,"ks":256,"ts":64,"mode"\n' +
@@ -94,4 +99,12 @@ export const custodialHot = {
     signedTxHex:
       '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',
   },
+  topbnb: {
+    signatureData:
+      '0dcd7a6c00000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000b9f62c71d5f6949cfb211a67fb13ccf079cc760b0000000000000000000000000000000000000000000000000000000005f5e100000000000000000000000000e4ab69c077896252fafbd49efd26b5d171a324100000000000000000000000000000000000000000000000000000000067f415e10000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000000a353631312d45524332300000000000000000000000000000000000000000000000',
+    signature:
+      '0xa9c3ead37547fa56b694e4eccc9352225b7458ef08e4e961ca5774d398abd55b5986a7446259374d2098012923583935189739f18dd117c4d15221b2a26f50911c',
+    signedTxHex:
+      '0xf9016a80830186a082520894702cf81e03aa310ec9481d814e3d04a20b04b50580b901440dcd7a6c000000000000000000000000b9f62c71d5f6949cfb211a67fb13ccf079cc760b0000000000000000000000000000000000000000000000000000000005f5e100000000000000000000000000e4ab69c077896252fafbd49efd26b5d171a324100000000000000000000000000000000000000000000000000000000067f415e1000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000041a9c3ead37547fa56b694e4eccc9352225b7458ef08e4e961ca5774d398abd55b5986a7446259374d2098012923583935189739f18dd117c4d15221b2a26f50911c00000000000000000000000000000000000000000000000000000000000000822bf98080',
+  },
 };
diff --git a/modules/sdk-coin-ethlike/test/unit/ethlikeCoin.ts b/modules/sdk-coin-ethlike/test/unit/ethlikeCoin.ts
index f2d2f11e11..0e7fdd68e4 100644
--- a/modules/sdk-coin-ethlike/test/unit/ethlikeCoin.ts
+++ b/modules/sdk-coin-ethlike/test/unit/ethlikeCoin.ts
@@ -22,6 +22,10 @@ const coins = [
     name: 'tarbeth',
     common: getCommon('tarbeth'),
   },
+  {
+    name: 'topbnb',
+    common: getCommon('topbnb'),
+  },
 ];
 
 describe('EthLike coin tests', function () {
diff --git a/modules/sdk-core/src/bitgo/environments.ts b/modules/sdk-core/src/bitgo/environments.ts
index d8a1054628..0968f0b3c9 100644
--- a/modules/sdk-core/src/bitgo/environments.ts
+++ b/modules/sdk-core/src/bitgo/environments.ts
@@ -261,6 +261,10 @@ const mainnetBase: EnvironmentTemplate = {
     baseeth: {
       baseUrl: 'https://api.etherscan.io/v2',
     },
+    opbnb: {
+      baseUrl: 'https://api.etherscan.io/v2',
+      apiToken: process.env.ETHERSCAN_API_TOKEN,
+    },
     flow: {
       baseUrl: 'https://evm.flowscan.io',
     },
@@ -420,6 +424,10 @@ const testnetBase: EnvironmentTemplate = {
     tbaseeth: {
       baseUrl: 'https://api.etherscan.io/v2',
     },
+    topbnb: {
+      baseUrl: 'https://api.etherscan.io/v2',
+      apiToken: process.env.ETHERSCAN_API_TOKEN,
+    },
     flow: {
       baseUrl: 'https://evm-testnet.flowscan.io',
     },
diff --git a/modules/statics/src/allCoinsAndTokens.ts b/modules/statics/src/allCoinsAndTokens.ts
index 1f01afd4b6..12065b79fc 100644
--- a/modules/statics/src/allCoinsAndTokens.ts
+++ b/modules/statics/src/allCoinsAndTokens.ts
@@ -427,6 +427,26 @@ export const allCoinsAndTokens = [
     '',
     'BaseETH'
   ),
+  account(
+    '2b5c52f8-0d0c-4a17-8052-d56373f5d264',
+    'topbnb',
+    'opBNB Testnet',
+    Networks.test.opbnb,
+    18,
+    UnderlyingAsset.OPBNB,
+    BaseUnit.ETH,
+    [...ETH_FEATURES, CoinFeature.USES_NON_PACKED_ENCODING_FOR_TXDATA, CoinFeature.EIP1559]
+  ),
+  account(
+    '1588f6da-8e43-4535-8e1c-25e53788437b',
+    'opbnb',
+    'opBNB Mainnet',
+    Networks.main.opbnb,
+    18,
+    UnderlyingAsset.OPBNB,
+    BaseUnit.ETH,
+    [...ETH_FEATURES, CoinFeature.USES_NON_PACKED_ENCODING_FOR_TXDATA, CoinFeature.EIP1559]
+  ),
   account(
     'ffc472f5-27c6-49f8-ad9a-f57659258fb9',
     'etc',
diff --git a/modules/statics/src/base.ts b/modules/statics/src/base.ts
index 61f898349b..8d547bf29f 100644
--- a/modules/statics/src/base.ts
+++ b/modules/statics/src/base.ts
@@ -88,6 +88,7 @@ export enum CoinFamily {
   OAS = 'oas',
   OFC = 'ofc',
   OG = 'og',
+  OPBNB = 'opbnb', // opBNB Chain
   OKB = 'okb',
   OPETH = 'opeth',
   OSMO = 'osmo',
@@ -597,6 +598,7 @@ export enum UnderlyingAsset {
   OAS = 'oas',
   OG = 'og',
   OKB = 'okb',
+  OPBNB = 'opbnb', // opBNB Chain
   OPETH = 'opeth',
   OSMO = 'osmo',
   XPL = 'xpl', // Plasma Network
diff --git a/modules/statics/src/networks.ts b/modules/statics/src/networks.ts
index 1b65f7e6e2..d374f750b4 100644
--- a/modules/statics/src/networks.ts
+++ b/modules/statics/src/networks.ts
@@ -378,6 +378,26 @@ class BinanceSmartChainTestnet extends Testnet implements EthereumNetwork {
   batcherContractAddress = '0x3e1e5d78e44f15593b3b61ed278f12c27f0ff33e';
 }
 
+class OpBNB extends Mainnet implements EthereumNetwork {
+  name = 'OpBNB';
+  family = CoinFamily.OPBNB;
+  explorerUrl = 'https://opbnbscan.com/tx/';
+  accountExplorerUrl = 'https://opbnbscan.com/address/';
+  chainId = 204;
+  nativeCoinOperationHashPrefix = '204';
+  tokenOperationHashPrefix = '204-ERC20';
+}
+
+class OpBNBTestnet extends Testnet implements EthereumNetwork {
+  name = 'OpBNBTestnet';
+  family = CoinFamily.OPBNB;
+  explorerUrl = 'https://testnet.opbnbscan.com/tx/';
+  accountExplorerUrl = 'https://testnet.opbnbscan.com/address/';
+  chainId = 5611;
+  nativeCoinOperationHashPrefix = '5611';
+  tokenOperationHashPrefix = '5611-ERC20';
+}
+
 class LightningBitcoin extends Mainnet implements LightningNetwork {
   name = 'LightningBitcoin';
   family = CoinFamily.LNBTC;
@@ -2253,6 +2273,7 @@ export const Networks = {
     og: Object.freeze(new Og()),
     ofc: Object.freeze(new Ofc()),
     okb: Object.freeze(new Xlayer()),
+    opbnb: Object.freeze(new OpBNB()),
     morph: Object.freeze(new Morph()),
     optimism: Object.freeze(new Optimism()),
     osmo: Object.freeze(new Osmo()),
@@ -2360,6 +2381,7 @@ export const Networks = {
     og: Object.freeze(new OgTestnet()),
     ofc: Object.freeze(new OfcTestnet()),
     okb: Object.freeze(new XlayerTestnet()),
+    opbnb: Object.freeze(new OpBNBTestnet()),
     morph: Object.freeze(new MorphTestnet()),
     optimism: Object.freeze(new OptimismTestnet()),
     osmo: Object.freeze(new OsmoTestnet()),
diff --git a/modules/statics/test/unit/fixtures/expectedColdFeatures.ts b/modules/statics/test/unit/fixtures/expectedColdFeatures.ts
index 46c7e5596e..02fa758eaf 100644
--- a/modules/statics/test/unit/fixtures/expectedColdFeatures.ts
+++ b/modules/statics/test/unit/fixtures/expectedColdFeatures.ts
@@ -202,6 +202,8 @@ export const expectedColdFeatures = {
   ],
   neither: [
     'ethw',
+    'opbnb',
+    'topbnb',
     'fiataed',
     'fiateur',
     'fiatgbp',