# Networks and Connection Details

# Optimistic Kovan

Parameter Value
Network Name Optimistic Kovan
Description Testnet (public)
Currency Ether (ETH)
Chain ID 69
Explorer https://kovan-optimistic.etherscan.io
HTTP Endpoint https://kovan.optimism.io
WebSocket Endpoint wss://ws-kovan.optimism.io

# Optimistic Ethereum

Heads up

This is our "restricted" mainnet. We currently have a whitelist system in place that limits who can deploy contracts to this network (for security reasons). We know this isn't ideal and we really appreciate your patience while we work hard to make sure that the system is 100% safe 💗.

Parameter Value
Network Name Optimistic Ethereum
Description Mainnet (restricted)
Currency Ether (ETH)
Chain ID 10
Explorer https://optimistic.etherscan.io
HTTP Endpoint https://mainnet.optimism.io
WebSocket Endpoint wss://ws-mainnet.optimism.io