🌉Cronos zkEVM Bridge

The Cronos zkEVM bridge enable users to bridge ERC20 tokens from Ethereum (L1) to Cronos zkEVM (L2), and back.

The bridge is available at https://zkevm.cronos.org/bridge.

It will only support selected tokens which have been originally created on Ethereum. The list of allowed tokens will expand over time. In the page, we cover:

• How to deposit CRO for zkCRO

• How to deposit ETH for vETH

• How to deposit USDC for vUSD

• How to deposit USDT for vUSD

• How to deposit DAI for vUSD

Bridge User Guides

How to deposit CRO for zkCRO

zkCRO can be used across the Cronos zkEVM ecosystem. Apart from using it to pay gas fees, you can also earn yield just by holding it. Depositing CRO also earns you points in the Pioneer Program.

Before we begin, make sure you have $CRO in your wallet

First, you need to hold CRO on Ethereum. You can get CRO via one of the following ways:

1. Swap on Uniswap

2. Buy on a centralized exchange and withdraw to Ethereum

Bridging CRO from Ethereum to Cronos zkEVM

1. Head to https://zkevm.cronos.org/bridge and connect your wallet.

1. On the “Deposit” tab, in the “FROM” field select CRO and zkCRO will automatically appear in the “TO” field.

1. Enter the amount of CRO to bridge. Keep in mind that some additional CRO is needed to pay the gas fees.

1. Click “Deposit”

2. Confirm (1) approval transaction for the bridge to spend your CRO and (2) CRO deposit transaction

3. Your zkCRO should arrive within 10 minutes, just check your zkCRO wallet balance in the top right hand corner then.

How to deposit ETH for vETH

vETH can be used across the Cronos zkEVM Ecosystem. It is pegged 1:1 to ETH but you can earn yield just by holding it. Depositing ETH also earns you points in the Pioneer Program.

Before we begin, make sure you have $ETH in your wallet

First, you need to hold ETH on Ethereum. You can get ETH via one of the following ways:

1. Swap on Uniswap
2. Buy on a centralized exchange and withdraw to Ethereum

Bridging ETH from Ethereum to Cronos zkEVM

1. Head to https://zkevm.cronos.org and connect your wallet

1. On the “Deposit” tab, in the “FROM” field select ETH and vETH will automatically appear in the “TO” field.

1. Enter the amount of ETH to bridge. Keep in mind that some additional ETH is needed to pay the gas fees.

1. Click “Deposit”.

2. Confirm ETH deposit transaction

3. Your vETH should arrive within 10 minutes, just check your vETH wallet balance in the top right hand corner then.

How to deposit USDC for vUSD

vUSD can be used across the Cronos zkEVM Ecosystem. It is pegged 1:1 to USD but you can earn yield just by holding it. Depositing USDC also earns you points in the Pioneer Program.

Before we begin, make sure you have $USDC in your wallet

First, you need to hold USDC on Ethereum. You can get USDC via one of the following ways:

1. Swap on Uniswap
2. Buy on a centralized exchange and withdraw to Ethereum

Bridging USDC from Ethereum to Cronos zkEVM

1. Head to https://zkevm.cronos.org and connect your wallet.

1. On the “Deposit” tab, in the “FROM” field select USDC and vUSD will automatically appear in the “TO” field.

1. Enter the amount of USDC to bridge. Keep in mind that ETH is needed to pay the gas fees

1. Under the hood, the bridge will swap the USDC for DAI for you before it’s deposited into vUSD. Check that the slippage, price impact, and min received amount are to your liking, otherwise click on the slippage to change it.

1. Click “Deposit”

2. Confirm (1) approval transaction for the bridge to spend your USDC and (2) DAI deposit transaction

3. Your vUSD should arrive within 10 minutes, just check your vUSD wallet balance in the top right hand corner then.

How to deposit USDT for vUSD

vUSD can be used across the Cronos zkEVM Ecosystem. It is pegged 1:1 to USD but you can earn yield just by holding it. Depositing USDT also earns you points in the Pioneer Program.

Before we begin, make sure you have USDT in your wallet

First, you need to hold USDT on Ethereum. You can get USDT via one of the following ways:

1. Swap on Uniswap
2. Buy on a centralized exchange and withdraw to Ethereum

Bridging USDT from Ethereum to Cronos zkEVM

1. Head to https://zkevm.cronos.org and connect your wallet.

1. On the “Deposit” tab, in the “FROM” field select USDT and vUSD will automatically appear in the “TO” field.

1. Enter the amount of USDT to bridge. Keep in mind that ETH is needed to pay the gas fees.

1. Under the hood, the bridge will swap the USDT for DAI for you before it’s deposited into vUSD. Check that the slippage, price impact, and min received amount are to your liking, otherwise click on the slippage to change it.

1. Click “Deposit”

2. Confirm (1) approval transaction for the bridge to spend your USDT and (2) DAI deposit transaction

3. Your vUSD should arrive within 10 minutes, just check your vUSD wallet balance in the top right hand corner then.

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How to deposit DAI for vUSD

vUSD can be used across the Cronos zkEVM Ecosystem. It is pegged 1:1 to USD but you can earn yield just by holding it. Depositing DAI also earns you points in the Pioneer Program.

Before we start, make sure you have DAI in your wallet

First, you need to hold DAI on Ethereum. You can get DAI via one of the following ways:

1. Swap on Uniswap
2. Buy on a centralized exchange and withdraw to Ethereum

Bridging DAI from Ethereum to Cronos zkEVM

1. Head to https://zkevm.cronos.org and connect your wallet.

1. On the “Deposit” tab, in the “FROM” field select DAI and vUSD will automatically appear in the “TO” field.

1. Enter the amount of DAI to bridge. Keep in mind that ETH is needed to pay the gas fees.

1. Click “Deposit”

2. Confirm (1) approval transaction for the bridge to spend your DAI and (2) DAI deposit transaction

3. Your vUSD should arrive within 10 minutes, just check your vUSD wallet balance in the top right hand corner then.