Chain Information - Quickstart

Core Parameters

Network Name	Citrea Mainnet
Chain ID	4114
Currency Symbol*	cBTC
Currency Decimals	18
Currency Name	Citrea Bitcoin
HTTP RPC URL	https://rpc.mainnet.citrea.xyz
Block Explorer	https://explorer.mainnet.citrea.xyz
Network Type	EVM-compatible ZK Rollup (Type II zkEVM)
Block Time	2 seconds
Block Gas Limit	10,000,000
Latest Supported EVM Version	Pectra**
Settlement & Data Availability Layer	Bitcoin
Genesis Specs	evm.json
Currency Logo	cBTC Logo
Chain Logo	Citrea Brand Kit

^{*native currency, not ERC-20}\ ^{**differences explained in the Execution Environment page}

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Kickstart Development

Add Citrea to your Wallet / Code

For wallets, you can either use the information above, click & add using Chainlist, or the following JSON as the baseline:

{
  "chainId": "0x1012",
  "chainName": "Citrea Mainnet",
  "nativeCurrency": { "name": "cBTC", "symbol": "cBTC", "decimals": 18 },
  "rpcUrls": ["https://rpc.mainnet.citrea.xyz"],
  "blockExplorerUrls": ["https://explorer.mainnet.citrea.xyz"]
}

Network Name	Citrea Mainnet
Default RPC URL	https://rpc.mainnet.citrea.xyz
ChainID	4114
Currency Symbol	cBTC
Block Explorer URL	https://explorer.mainnet.citrea.xyz/

Get cBTC

cBTC is used as the native currency to cover gas, which is necessary to deploy smart contracts & use the network.

Head over to Bridge Hub to Bridge BTC from Bitcoin; USDC, USDT or WBTC from Ethereum.

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Where to go from here?

Here are quick links you might be looking for:

• RPC Endpoints

  • includes support for eth_ endpoints, along with useful Bitcoin & finality related endpoints of Citrea

• Ecosystem Tooling

  • partners to check out for Interop, Oracles, Indexers, Wallets, Account Abstraction...

• Citrea Execution Environment

  • explainers on subtle differences of Citrea compared to Ethereum and other EVM environments

• System Contracts

  • a set of pre-deployed smart contracts on Citrea that can be used to verify Bitcoin transactions, execute bridge logic, and more