Optimism Sepolia is a testnet for testing smart contract deployments. It uses test ETH (no real value) so developers can experiment with ERC-20 tokens, ERC-721 NFTs, and ERC-1155 multi-token contracts before deploying to mainnet. ChainPortal supports Optimism Sepolia for free test deployments.
Chain ID
11155420(0xaa37dc)
Native Token
Ether (ETH)
Block Time
2s
EIP-1559
Yes
RPC Endpoints
1
2
WebSocket
WS
Block Explorer
Recommended Wallets
Supported Token Standards
- ERC-20 (Fungible Tokens)
- ERC-721 (NFTs)
- ERC-1155 (Multi-Token)
Create Token on Optimism Sepolia
Deploy ERC-20 (Fungible Tokens) tokens
Create NFT on Optimism Sepolia
Deploy NFT collections
