Supported Networks

Networks where CapSign protocol is deployed.

Production Networks

Base (L2)

• Chain ID: 8453

• RPC: https://mainnet.base.org

• Explorer: https://basescan.org

• Native Token: ETH

• Status: Primary production network

Why Base?

• Low transaction fees (~$0.01)

• Fast finality (~2 seconds)

• Ethereum security (Optimistic Rollup)

• Growing DeFi ecosystem

Ethereum Mainnet

• Chain ID: 1

• RPC: https://eth.llamarpc.com

• Explorer: https://etherscan.io

• Native Token: ETH

• Status: Cross-chain operations only

Testnets

Base Sepolia

• Chain ID: 84532

• RPC: https://sepolia.base.org

• Explorer: https://sepolia.basescan.org

• Faucet: https://faucet.quicknode.com/base/sepolia

• Status: Primary testnet

Ethereum Sepolia

• Chain ID: 11155111

• RPC: https://rpc.sepolia.org

• Explorer: https://sepolia.etherscan.io

• Faucet: https://sepoliafaucet.com

• Status: Cross-chain testing

Network Configuration

Wagmi Configuration

import { base, baseSepolia } from "viem/chains";
import { http } from "viem";

export const config = createConfig({
  chains: [base, baseSepolia],
  transports: {
    [base.id]: http("https://mainnet.base.org"),
    [baseSepolia.id]: http("https://sepolia.base.org"),
  },
});

Adding to MetaMask

Base Mainnet:

Network Name: Base
RPC URL: https://mainnet.base.org
Chain ID: 8453
Currency Symbol: ETH
Block Explorer: https://basescan.org

Base Sepolia:

Network Name: Base Sepolia
RPC URL: https://sepolia.base.org
Chain ID: 84532
Currency Symbol: ETH
Block Explorer: https://sepolia.basescan.org

Future Networks

CapSign may expand to additional networks:

• Arbitrum

• Optimism

• Polygon

• Other EVM-compatible L2s

Check Discord for announcements.

Network Status

Monitor network health:

• Base: status.base.org

• Ethereum: ethstats.net

---

Return to: Reference | Documentation Home