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Setup

Install the MetaMask extension from the Chrome Web Store. MetaMask is an Ethereum-based web3 wallet that simplifies token management and interaction with smart contracts.
You need to add the Sepolia Testnet and Kroma Sepolia networks manually, referring to the configuration details in the table below:

Manual network configuration

Network Name
Kroma Sepolia
Ethereum Sepolia
RPC URL
Chain ID
2358
11155111
Currency Symbol
ETH
ETH
Block Explorer URL
If you are seeing rate limit issues when testing with the public end point, we recommend signing up for a third-party provider.

RockX

RockX provides you instant access to robust and scalable infrastructure.

Common Questions

if you don't see 'Sepolia test network' in MetaMask 🙋
  • Method 1: Click on 'Show/hide test network' as shown. Then, enable 'Show test networks'.
  • Method 2 (I don't look like the one shown above): Settings > Advanced > enable 'Show test networks'