Add C4EI to Your Wallet — MetaMask, OKX, Rabby, Trust Wallet

Chain ID: 21004·Symbol: C4EI

C4EI is an EVM-compatible blockchain with Chain ID 21004 and native token C4EI. This page lets you add C4EI to MetaMask, Rabby Wallet, OKX Wallet or Trust Wallet in one click — no manual Chain ID or RPC entry required.

RPC Endpoints

https://rpc.c4ei.net

Block Explorer

C4EI sirato

What is C4EI?

C4EI is an EVM (Ethereum Virtual Machine) compatible blockchain network. Any EVM wallet — MetaMask, Rabby, OKX Wallet, Trust Wallet, Coinbase Wallet — can connect and transact on C4EI once you add the network configuration.

Why do you need to add C4EI to your wallet?

MetaMask and most wallets only come pre-configured with Ethereum Mainnet. To transact, swap tokens, or use dApps on C4EI, you need to add the network first. Entering an incorrect Chain ID or RPC can put your assets at risk. Use the "Add to wallet" button above — data sourced directly from chainid.network, the canonical Ethereum chain registry.

How to add C4EI to your wallet

1
Click Add to wallet
Press the "Add to wallet" button above. MetaMask, OKX Wallet, Rabby Wallet or Trust Wallet will show a popup asking you to confirm adding the C4EI network.
2
Confirm in your wallet
Your wallet shows the C4EI network details: Chain ID 21004, native token C4EI. Verify the Chain ID is correct, then click "Approve" or "Add Network".
3
Switch to the new network
After confirming, your wallet automatically switches to C4EI. You can start transacting right away — you will need C4EI to pay gas fees.

C4EI network technical details

To add manually, go to Settings → Networks → Add Network in MetaMask (or your wallet's equivalent) and enter the details below:

NameC4EI

Chain ID21004

Native tokenC4EI

Decimals18

RPC Endpointhttps://rpc.c4ei.net

Block Explorerhttps://exp.c4ei.net

Important notice

•Always verify Chain ID 21004 before confirming — attackers sometimes create fake networks with similar names but different Chain IDs
•You need C4EI tokens in your wallet to pay gas fees for transactions on C4EI
•Data on this page is sourced from chainid.network — the community-verified Ethereum chain registry
•If the "Add to wallet" button doesn't work, your wallet may not support wallet_addEthereumChain — add the network manually using the details below

Frequently asked questions

Is it safe to add C4EI to MetaMask?▾

Yes, if you use the "Add to wallet" button on this page. Data is sourced from chainid.network — the community-audited Ethereum registry. Adding a network does not expose your private key or grant any permissions to the dApp.

What is C4EI Chain ID?▾

The Chain ID of C4EI is 21004. This unique number identifies the network and prevents MetaMask and other EVM wallets from mixing up transactions across different chains.

Do I need C4EI tokens to use C4EI?▾

Yes. Every transaction on C4EI requires C4EI to pay gas fees. You can purchase C4EI on exchanges and bridge it to C4EI, or use a faucet if this is a testnet.

What is the C4EI RPC endpoint?▾

An RPC endpoint is the server address your wallet uses to communicate with the C4EI blockchain — sending transactions, reading balances, and checking state. One popular C4EI RPC is https://rpc.c4ei.net. This page shows live latency for each RPC so you can pick the fastest one.

My wallet says C4EI already exists when I click Add — what do I do?▾

That's completely normal. If C4EI is already in your wallet, it will simply switch to that network instead of adding a duplicate — no error or conflict.

I added C4EI but the network won't load — what's wrong?▾

The most common cause is a broken or overloaded RPC endpoint. Your wallet uses RPC to connect to the blockchain — if the RPC is down, the network won't load even if it was added correctly. Fix: copy a different RPC from the list above (prefer green low-latency ones), then go to Settings → Networks in your wallet and replace the old RPC with the new one. Watch the tutorial video above for step-by-step instructions on updating your RPC.

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