📒Contract Addresses

Cronos zkEVM mainnet (Chain ID: 388)

The base token - zkCRO

"Cronos zkEVM CRO" - zkCRO is the custom L2 base token of Cronos zkEVM, based on this repository.

Base token contracts on:

• Ethereum mainnet (L1):

  • Cronos (CRO - 8 decimals): 0xa0b73e1ff0b80914ab6fe0444e65848c4c34450b

  • Cronos zkEVM CRO (zkCRO - 18 decimals): 0x28Ff2E4dD1B58efEB0fC138602A28D5aE81e44e2

• Cronos zkEVM mainnet (L2):

  • Cronos zkEVM CRO (zkCRO - 18 decimals): 0x000000000000000000000000000000000000800a

There is a wrapped, an ERC20 compatible version of zkCRO, with token symbol wzkCRO at the following contract address (18 decimals too), under the contract address:

0xC1bF55EE54E16229d9b369a5502Bfe5fC9F20b6d

Token contract addresses on L1 (Ethereum) and L2 (Cronos zkEVM)

Token Name	Symbol	Decimal	Contract Addresses
Cronos zkEVM CRO	zkCRO	18	Ethereum: 0x28ff2e4dd1b58efeb0fc138602a28d5ae81e44e2 Cronos zkEVM: 0x000000000000000000000000000000000000800a
Wrapped zkCRO	wzkCRO	18	Ethereum: n/a Cronos zkEVM: 0xC1bF55EE54E16229d9b369a5502Bfe5fC9F20b6d
Veno ETH	vETH	18	Ethereum: n/a Cronos zkEVM: 0x271602A97027ee1dd03b1E6e5dB153eB659A80b1
Veno USD	vUSD	18	Ethereum: n/a Cronos zkEVM: 0x5b91e29Ae5A71d9052620Acb813d5aC25eC7a4A2
Yield Bearing ETH	ybETH	18	Ethereum: 0x76bf2D1e6dFda645c0c17440B17Eccc181dfC351 Cronos zkEVM:0xf226a595b83056ff3D26b827e3d5b0896E4392a9
Yield Bearing USD	ybUSD	18	Ethereum: 0xFA59075DfCE274E028b58BdDFcC3D709960F594a Cronos zkEVM: 0xb1Ece5b548766215272BAFCfa36396B06Cd9e4C9
Cronos	CRO	8	Ethereum: 0xa0b73e1ff0b80914ab6fe0444e65848c4c34450b Cronos zkEVM: 0xBCaA34FF9D5BFD0d948b18Cf6Bf39a882F4a1cBD
Ether	ETH	18	Ethereum: n/a Cronos zkEVM: 0x898b3560affd6d955b1574d87ee09e46669c60ea
USD Coin	USDC	6	Ethereum: 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 Cronos zkEVM: 0xaa5b845F8C9c047779bEDf64829601d8B264076c
Wrapped Bitcoin	WBTC	8	Ethereum: 0x2260fac5e5542a773aa44fbcfedf7c193bc2c599 Cronos zkEVM: 0xD65E5DbA71231D35A5802bA83dC6cB6746c9758d

Other key contracts

Contract name	Network	Contract address
ZkCroMintAndBridge	L1 (Ethereum)	0xe69a535730858fd8dc386b448972a9f801ab4e12
zkSync's Shared Bridge	L1 (Ethereum)	0xD7f9f54194C633F36CCD5F3da84ad4a1c38cB2cB
Bridge Middleware	L1 (Ethereum)	0x3766Eb5F07DBc60d39a2059A9A29fD9b7D3C356D
Validator timelock contract	L1 (Ethereum)	0x5D8ba173Dc6C3c90C8f7C04C9288BeF5FDbAd06E
L2Bridge	L2 (Cronos zkEVM)	0x309429DE3621992Cb0ab8982A448c9Cc5c38405b
Multicall2	L2 (Cronos zkEVM)	0x9b122BF7a96F24EFB7A2b5765c635909dB3458F
Multicall3	L2 (Cronos zkEVM)	0x06f4487D7C4a5983d2660DB965Cc6d2565E4cfaA

Other key accounts

Account	Network	Account address
Cronos zkEVM: Batcher	L1 (Ethereum)	0xb9d48DaF26F3CBE01A959F09f98E8a2eC8204122
Cronos zkEVM: Validator	L1 (Ethereum)	0x7fEA26A181A792B5107ee0a31e434F5dBcbBe0B7

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For Cronos zkEVM Sepolia testnet (Chain-id: 240)

The base testnet token - zktCRO

"zkCronos Testnet" - zktCRO is the custom L2 base token of Cronos zkEVM Sepolia testnet, based on this repository.

Base token contracts on

• Ethereum Sepolia testnet (L1):

  • Cronos Testnet (TCRO - 8 decimals): 0x4B7DFE9381149fA0E6738930fB24d015929C3926
  • zkCronos Testnet (zktCRO - 18 decimals): 0x49cE7551514f3c2Bf44B50442765Bb112d0e8204
• Cronos zkEVM Cronos zkEVM Sepolia testnet (L2):

  • zkCronos Testnet (zktCRO - 18 decimals): 0x000000000000000000000000000000000000800a

There is a wrapped, an ERC20 compatible version of zkTCRO, with token symbol wzkCRO at the following contract address (18 decimals too): 0xed73b53197189be3ff978069cf30ebc28a8b5837

Token contract addresses on L1 (Sepolia) and L2 (Cronos zkEVM Sepolia testnet)

Token Name	Symbol	Decimal	Contract Addresses
zkCronos Testnet	zktCRO	18	Ethereum Sepolia: 0x49cE7551514f3c2Bf44B50442765Bb112d0e820 Cronos zkEVM Sepolia testnet: 0x000000000000000000000000000000000000800a
Wrapped zkCRO	wzkCRO	18	Ethereum Sepolia: n/a Cronos zkEVM Sepolia testnet: 0xed73b53197189be3ff978069cf30ebc28a8b5837
Veno ETH	vETH	18	Ethereum Sepolia: n/a Cronos zkEVM Sepolia testnet: 0x16a9df93dec0a559cdbac00cb9e3a1ba91bf6906
Veno USD	vUSD	18	Ethereum Sepolia: n/a Cronos zkEVM Sepolia testnet: 0x9553da89510e33bfe65fcd71c1874ff1d6b0dd75
Yield Bearing ETH	ybETH	18	Ethereum Sepolia:0xF3DFc52db4604cbD6EdA747A70c82d7be122B545 Cronos zkEVM Sepolia testnet: 0x962871c572F9C542Bba2Aa94841516b621A08a79
Yield Bearing USD	ybUSD	18	Ethereum Sepolia:0xD2b6865fD9811d00121f6678a78dbC1CD95b1ec8 Cronos zkEVM Sepolia testnet: 0x7055ee4c4798871B618eD39f01F81906A48C4358

Other key testnet contracts

Contract name	Network	Contract address
Validator timelock contract	L1 (Ethereum Sepolia)	0xD3876643180A79d0A56d0900C060528395f34453
Diamond proxy contract	L1 (Ethereum Sepolia)	0xA3062Ab8D613489D8bA5303123240f7e8E98483a
Bridge hub contract	L1 (Ethereum Sepolia)	0x35A54c8C757806eB6820629bc82d90E056394C92
Verifier contract	L1 (Ethereum Sepolia)	0x68a9afFE98Aed0749351e63a9CF95969Cb1EFf08
L1 shared bridge	L1 (Ethereum Sepolia)	0x3E8b2fe58675126ed30d0d12dea2A9bda72D18Ae
Middleware	L1 (Ethereum Sepolia)	0x4F1CeDf1BE03F2100206aF843851c9B14210118a

Note - The Middleware contract allows L1 to L2 transfers without having zkTCRO on L1

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