πŸ“’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:

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

Wrapped zkCRO

wzkCRO

18

Veno ETH

vETH

18

Veno USD

vUSD

18

Yield Bearing ETH

ybETH

18

Yield Bearing USD

ybUSD

18

Cronos

CRO

8

Ether

ETH

18

Ethereum:

n/a

USD Coin

USDC

6

Wrapped Bitcoin

WBTC

8

Other key contracts

Contract name
Network
Contract address

ZkCroMintAndBridge

L1 (Ethereum)

zkSync's Shared Bridge

L1 (Ethereum)

Bridge Middleware

L1 (Ethereum)

Validator timelock contract

L1 (Ethereum)

L2Bridge

L2 (Cronos zkEVM)

Multicall2

L2 (Cronos zkEVM)

Multicall3

L2 (Cronos zkEVM)

Other key accounts

Account
Network
Account address

Cronos zkEVM: Batcher

L1 (Ethereum)

Cronos zkEVM: Validator

L1 (Ethereum)


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

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

Wrapped zkCRO

wzkCRO

18

Ethereum Sepolia: n/a

Veno ETH

vETH

18

Ethereum Sepolia: n/a Cronos zkEVM Sepolia testnet: To be deployed

Veno USD

vUSD

18

Ethereum Sepolia: n/a Cronos zkEVM Sepolia testnet: To be deployed

Yield Bearing ETH

ybETH

18

Yield Bearing USD

ybUSD

18

Other key testnet contracts

Contract name
Network
Contract address

Validator timelock contract

L1 (Ethereum Sepolia)

Diamond proxy contract

L1 (Ethereum Sepolia)

Bridge hub contract

L1 (Ethereum Sepolia)

Verifier contract

L1 (Ethereum Sepolia)

L1 shared bridge

L1 (Ethereum Sepolia)

Middleware

L1 (Ethereum Sepolia)

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


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