diff --git a/.changeset/bright-apes-add-chains.md b/.changeset/bright-apes-add-chains.md
new file mode 100644
index 00000000..21695269
--- /dev/null
+++ b/.changeset/bright-apes-add-chains.md
@@ -0,0 +1,7 @@
+---
+"@mimicprotocol/lib-ts": patch
+"@mimicprotocol/cli": patch
+"@mimicprotocol/test-ts": patch
+---
+
+Add Polygon, Avalanche, and BNB chain support
diff --git a/packages/lib-ts/src/chains/Avalanche.ts b/packages/lib-ts/src/chains/Avalanche.ts
new file mode 100644
index 00000000..580f70f1
--- /dev/null
+++ b/packages/lib-ts/src/chains/Avalanche.ts
@@ -0,0 +1,15 @@
+import { ERC20Token } from '../tokens'
+import { ChainId } from '../types'
+
+/* eslint-disable no-secrets/no-secrets */
+
+export namespace Avalanche {
+  export const CHAIN_ID = ChainId.AVALANCHE
+  export const AVAX = ERC20Token.native(CHAIN_ID)
+  export const USDC = ERC20Token.fromString('0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E', CHAIN_ID, 6, 'USDC')
+  export const USDT = ERC20Token.fromString('0x9702230A8Ea53601f5cd2dc00fDbc13d4dF4A8c7', CHAIN_ID, 6, 'USDt')
+  export const DAI = ERC20Token.fromString('0xd586E7F844cEa2F87f50152665BCbc2C279D8d70', CHAIN_ID, 18, 'DAI.e')
+  export const WBTC = ERC20Token.fromString('0x50b7545627a5162F82A992c33b87aDc75187B218', CHAIN_ID, 8, 'WBTC.e')
+  export const WETH = ERC20Token.fromString('0x49D5c2BdFfac6CE2BFdB6640F4F80f226bc10bAB', CHAIN_ID, 18, 'WETH.e')
+  export const WAVAX = ERC20Token.fromString('0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7', CHAIN_ID, 18, 'WAVAX')
+}
diff --git a/packages/lib-ts/src/chains/BNB.ts b/packages/lib-ts/src/chains/BNB.ts
new file mode 100644
index 00000000..0fb6cdcc
--- /dev/null
+++ b/packages/lib-ts/src/chains/BNB.ts
@@ -0,0 +1,15 @@
+import { ERC20Token } from '../tokens'
+import { ChainId } from '../types'
+
+/* eslint-disable no-secrets/no-secrets */
+
+export namespace BNB {
+  export const CHAIN_ID = ChainId.BNB
+  export const BNB = ERC20Token.native(CHAIN_ID)
+  export const USDC = ERC20Token.fromString('0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d', CHAIN_ID, 18, 'USDC')
+  export const USDT = ERC20Token.fromString('0x55d398326f99059fF775485246999027B3197955', CHAIN_ID, 18, 'USDT')
+  export const DAI = ERC20Token.fromString('0x1AF3F329e8BE154074D8769D1FFa4eE058B1DBc3', CHAIN_ID, 18, 'DAI')
+  export const WBTC = ERC20Token.fromString('0x7130d2A12B9BCbFAe4f2634d864A1Ee1Ce3ead9c', CHAIN_ID, 18, 'BTCB')
+  export const WETH = ERC20Token.fromString('0x2170Ed0880ac9A755fd29B2688956BD959F933F8', CHAIN_ID, 18, 'ETH')
+  export const WBNB = ERC20Token.fromString('0xBB4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c', CHAIN_ID, 18, 'WBNB')
+}
diff --git a/packages/lib-ts/src/chains/Polygon.ts b/packages/lib-ts/src/chains/Polygon.ts
new file mode 100644
index 00000000..9dea49f6
--- /dev/null
+++ b/packages/lib-ts/src/chains/Polygon.ts
@@ -0,0 +1,15 @@
+import { ERC20Token } from '../tokens'
+import { ChainId } from '../types'
+
+/* eslint-disable no-secrets/no-secrets */
+
+export namespace Polygon {
+  export const CHAIN_ID = ChainId.POLYGON
+  export const POL = ERC20Token.native(CHAIN_ID)
+  export const USDC = ERC20Token.fromString('0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359', CHAIN_ID, 6, 'USDC')
+  export const USDT = ERC20Token.fromString('0xc2132D05D31c914a87C6611C10748AEb04B58e8F', CHAIN_ID, 6, 'USDT0')
+  export const DAI = ERC20Token.fromString('0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063', CHAIN_ID, 18, 'DAI')
+  export const WBTC = ERC20Token.fromString('0x1BFD67037B42Cf73acF2047067bd4F2C47D9BfD6', CHAIN_ID, 8, 'WBTC')
+  export const WETH = ERC20Token.fromString('0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619', CHAIN_ID, 18, 'WETH')
+  export const WPOL = ERC20Token.fromString('0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270', CHAIN_ID, 18, 'WPOL')
+}
diff --git a/packages/lib-ts/src/chains/index.ts b/packages/lib-ts/src/chains/index.ts
index 40e28fed..1a88f1f9 100644
--- a/packages/lib-ts/src/chains/index.ts
+++ b/packages/lib-ts/src/chains/index.ts
@@ -1,7 +1,10 @@
 export * from './Arbitrum'
+export * from './Avalanche'
 export * from './Base'
 export * from './BaseSepolia'
+export * from './BNB'
 export * from './Ethereum'
 export * from './Gnosis'
 export * from './Optimism'
+export * from './Polygon'
 export * from './Sonic'
diff --git a/packages/lib-ts/src/tokens/ERC20Token.ts b/packages/lib-ts/src/tokens/ERC20Token.ts
index bac39466..d6f85d69 100644
--- a/packages/lib-ts/src/tokens/ERC20Token.ts
+++ b/packages/lib-ts/src/tokens/ERC20Token.ts
@@ -29,8 +29,14 @@ export class ERC20Token extends BlockchainToken {
       case ChainId.ARBITRUM:
       case ChainId.OPTIMISM:
         return ERC20Token.fromString(EVM_NATIVE_ADDRESS, chainId, 18, 'ETH')
+      case ChainId.BNB:
+        return ERC20Token.fromString(EVM_NATIVE_ADDRESS, chainId, 18, 'BNB')
       case ChainId.GNOSIS:
         return ERC20Token.fromString(EVM_NATIVE_ADDRESS, chainId, 18, 'xDAI')
+      case ChainId.POLYGON:
+        return ERC20Token.fromString('0x0000000000000000000000000000000000001010', chainId, 18, 'POL')
+      case ChainId.AVALANCHE:
+        return ERC20Token.fromString(EVM_NATIVE_ADDRESS, chainId, 18, 'AVAX')
       case ChainId.SONIC:
         return ERC20Token.fromString(EVM_NATIVE_ADDRESS, chainId, 18, 'SONIC')
       default:
diff --git a/packages/lib-ts/src/tokens/Tokens.ts b/packages/lib-ts/src/tokens/Tokens.ts
index 2e6dc3e8..ba136818 100644
--- a/packages/lib-ts/src/tokens/Tokens.ts
+++ b/packages/lib-ts/src/tokens/Tokens.ts
@@ -1,4 +1,4 @@
-import { Arbitrum, Base, BaseSepolia, Ethereum, Gnosis, Optimism, Sonic } from '../chains'
+import { Arbitrum, Avalanche, Base, BaseSepolia, BNB, Ethereum, Gnosis, Optimism, Polygon, Sonic } from '../chains'
 
 import { TokenProvider } from './TokenProvider'
 
@@ -23,6 +23,12 @@ export class Tokens {
   private readonly wbtc: TokenProvider = new TokenProvider('WBTC')
   private readonly weth: TokenProvider = new TokenProvider('WETH')
   private readonly eth: TokenProvider = new TokenProvider('ETH')
+  private readonly avax: TokenProvider = new TokenProvider('AVAX')
+  private readonly wavax: TokenProvider = new TokenProvider('WAVAX')
+  private readonly pol: TokenProvider = new TokenProvider('POL')
+  private readonly wpol: TokenProvider = new TokenProvider('WPOL')
+  private readonly bnb: TokenProvider = new TokenProvider('BNB')
+  private readonly wbnb: TokenProvider = new TokenProvider('WBNB')
   private readonly xdai: TokenProvider = new TokenProvider('xDAI')
   private readonly sonic: TokenProvider = new TokenProvider('SONIC')
   private readonly wxdai: TokenProvider = new TokenProvider('WXDAI')
@@ -45,6 +51,15 @@ export class Tokens {
     this.weth.register(Arbitrum.CHAIN_ID, Arbitrum.WETH)
     this.eth.register(Arbitrum.CHAIN_ID, Arbitrum.ETH)
 
+    // Avalanche
+    this.usdc.register(Avalanche.CHAIN_ID, Avalanche.USDC)
+    this.usdt.register(Avalanche.CHAIN_ID, Avalanche.USDT)
+    this.dai.register(Avalanche.CHAIN_ID, Avalanche.DAI)
+    this.wbtc.register(Avalanche.CHAIN_ID, Avalanche.WBTC)
+    this.weth.register(Avalanche.CHAIN_ID, Avalanche.WETH)
+    this.avax.register(Avalanche.CHAIN_ID, Avalanche.AVAX)
+    this.wavax.register(Avalanche.CHAIN_ID, Avalanche.WAVAX)
+
     // Base
     this.usdc.register(Base.CHAIN_ID, Base.USDC)
     this.usdt.register(Base.CHAIN_ID, Base.USDT)
@@ -53,6 +68,15 @@ export class Tokens {
     this.weth.register(Base.CHAIN_ID, Base.WETH)
     this.eth.register(Base.CHAIN_ID, Base.ETH)
 
+    // BNB
+    this.usdc.register(BNB.CHAIN_ID, BNB.USDC)
+    this.usdt.register(BNB.CHAIN_ID, BNB.USDT)
+    this.dai.register(BNB.CHAIN_ID, BNB.DAI)
+    this.wbtc.register(BNB.CHAIN_ID, BNB.WBTC)
+    this.weth.register(BNB.CHAIN_ID, BNB.WETH)
+    this.bnb.register(BNB.CHAIN_ID, BNB.BNB)
+    this.wbnb.register(BNB.CHAIN_ID, BNB.WBNB)
+
     // Optimism
     this.usdc.register(Optimism.CHAIN_ID, Optimism.USDC)
     this.usdt.register(Optimism.CHAIN_ID, Optimism.USDT)
@@ -69,6 +93,15 @@ export class Tokens {
     this.xdai.register(Gnosis.CHAIN_ID, Gnosis.xDAI)
     this.wxdai.register(Gnosis.CHAIN_ID, Gnosis.WXDAI)
 
+    // Polygon
+    this.usdc.register(Polygon.CHAIN_ID, Polygon.USDC)
+    this.usdt.register(Polygon.CHAIN_ID, Polygon.USDT)
+    this.dai.register(Polygon.CHAIN_ID, Polygon.DAI)
+    this.wbtc.register(Polygon.CHAIN_ID, Polygon.WBTC)
+    this.weth.register(Polygon.CHAIN_ID, Polygon.WETH)
+    this.pol.register(Polygon.CHAIN_ID, Polygon.POL)
+    this.wpol.register(Polygon.CHAIN_ID, Polygon.WPOL)
+
     // Sonic
     this.usdc.register(Sonic.CHAIN_ID, Sonic.USDC)
     this.usdt.register(Sonic.CHAIN_ID, Sonic.USDT)
@@ -111,6 +144,30 @@ export class Tokens {
     return Tokens.getInstance().eth
   }
 
+  static get AVAX(): TokenProvider {
+    return Tokens.getInstance().avax
+  }
+
+  static get WAVAX(): TokenProvider {
+    return Tokens.getInstance().wavax
+  }
+
+  static get POL(): TokenProvider {
+    return Tokens.getInstance().pol
+  }
+
+  static get WPOL(): TokenProvider {
+    return Tokens.getInstance().wpol
+  }
+
+  static get BNB(): TokenProvider {
+    return Tokens.getInstance().bnb
+  }
+
+  static get WBNB(): TokenProvider {
+    return Tokens.getInstance().wbnb
+  }
+
   static get XDAI(): TokenProvider {
     return Tokens.getInstance().xdai
   }
diff --git a/packages/lib-ts/src/types/ChainId.ts b/packages/lib-ts/src/types/ChainId.ts
index 44849683..9208dca6 100644
--- a/packages/lib-ts/src/types/ChainId.ts
+++ b/packages/lib-ts/src/types/ChainId.ts
@@ -5,10 +5,13 @@
 export enum ChainId {
   ETHEREUM = 1,
   OPTIMISM = 10,
-  ARBITRUM = 42161,
+  BNB = 56,
+  GNOSIS = 100,
+  POLYGON = 137,
+  SONIC = 146,
   BASE = 8453,
+  ARBITRUM = 42161,
+  AVALANCHE = 43114,
   BASE_SEPOLIA = 84532,
-  GNOSIS = 100,
   SOLANA_MAINNET = 507424,
-  SONIC = 146,
 }
diff --git a/packages/lib-ts/tests/helpers.ts b/packages/lib-ts/tests/helpers.ts
index cc68f5ac..b393f2e5 100644
--- a/packages/lib-ts/tests/helpers.ts
+++ b/packages/lib-ts/tests/helpers.ts
@@ -22,6 +22,9 @@ export const CHAIN_IDS: ChainId[] = [
   ChainId.ARBITRUM,
   ChainId.OPTIMISM,
   ChainId.GNOSIS,
+  ChainId.BNB,
+  ChainId.POLYGON,
+  ChainId.AVALANCHE,
   ChainId.SONIC,
 ]
 
diff --git a/packages/lib-ts/tests/tokens/ERC20Token.spec.ts b/packages/lib-ts/tests/tokens/ERC20Token.spec.ts
index 4dd337d0..c73521e2 100644
--- a/packages/lib-ts/tests/tokens/ERC20Token.spec.ts
+++ b/packages/lib-ts/tests/tokens/ERC20Token.spec.ts
@@ -136,6 +136,19 @@ describe('ERC20Token', () => {
       })
     })
 
+    describe('when the chain id is bnb', () => {
+      const chainId = ChainId.BNB
+
+      it('returns the expected token', () => {
+        const token = ERC20Token.native(chainId)
+
+        expect(token.address.toHexString()).toBe(EVM_NATIVE_ADDRESS)
+        expect(token.chainId).toBe(chainId)
+        expect(token.symbol).toBe('BNB')
+        expect(token.decimals).toBe(18)
+      })
+    })
+
     describe('when the chain id is gnosis', () => {
       const chainId = ChainId.GNOSIS
 
@@ -149,6 +162,32 @@ describe('ERC20Token', () => {
       })
     })
 
+    describe('when the chain id is polygon', () => {
+      const chainId = ChainId.POLYGON
+
+      it('returns the expected token', () => {
+        const token = ERC20Token.native(chainId)
+
+        expect(token.address.toHexString()).toBe('0x0000000000000000000000000000000000001010')
+        expect(token.chainId).toBe(chainId)
+        expect(token.symbol).toBe('POL')
+        expect(token.decimals).toBe(18)
+      })
+    })
+
+    describe('when the chain id is avalanche', () => {
+      const chainId = ChainId.AVALANCHE
+
+      it('returns the expected token', () => {
+        const token = ERC20Token.native(chainId)
+
+        expect(token.address.toHexString()).toBe(EVM_NATIVE_ADDRESS)
+        expect(token.chainId).toBe(chainId)
+        expect(token.symbol).toBe('AVAX')
+        expect(token.decimals).toBe(18)
+      })
+    })
+
     describe('when the chain id is sonic', () => {
       const chainId = ChainId.SONIC