> For the complete documentation index, see [llms.txt](https://docs.moonlander.trade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.moonlander.trade/how-to-use/fund-your-wallet/cronos-zkevm/bridge-via-official-cronos-zkevm-bridge/deposit-cro-for-zkcro.md).

# Deposit CRO for zkCRO

zkCRO is used across the Cronos zkEVM ecosystem. Apart from using it to pay gas fees, you can also earn yield just by holding it.

## Before depositing CRO via the bridge

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

1. Swap on[ Uniswap](https://app.uniswap.org/swap)
2. Buy on a centralized exchange and withdraw to Ethereum

## Bridging CRO from Ethereum to Cronos zkEVM

**Step 1.** Head to[ https://zkevm.cronos.org](https://zkevm.cronos.org/) and connect your wallet.

<figure><img src="/files/7WBExEUXdOXHcfTJ5bVW" alt="" width="563"><figcaption></figcaption></figure>

**Step 2.** On the “Deposit” tab, select CRO in the “FROM” field. zkCRO will be automatically selected in the “TO” field.

<figure><img src="/files/5fee4P09fPXn4UDdC4cK" alt="" width="563"><figcaption></figcaption></figure>

**Step 3.** Enter the amount of CRO you want to bridge. Keep in mind that some additional CRO is needed to pay the gas fees.

<figure><img src="/files/CfffMfD97gq0mFRbvMtL" alt="" width="563"><figcaption></figcaption></figure>

**Step 4.** Click “Deposit”

**Step 5.** Confirm (1) approval transaction for the bridge to spend your CRO and (2) CRO deposit transaction

**Step 6.** Your zkCRO should arrive in less than 10 minutes. You can check your zkCRO wallet balance in the top right-hand corner.

<figure><img src="/files/vCNuU7WAqriu4FHgXym7" alt="" width="563"><figcaption></figcaption></figure>