OP Mainnet
OP Mainnet is Optimism's flagship Ethereum Layer 2 blockchain, powered by the OP Stack and optimistic rollups.
What is OP Mainnet?
OP Mainnet is Optimism's flagship Ethereum Layer 2 blockchain, founded in 2019. It processes transactions in batches using optimistic rollups, giving users access to low-cost and near-instantaneous transactions. OP Mainnet is part of the broader Optimism ecosystem powered by the OP Stack, a fully open-source, modular framework for launching blockchains. The OP Stack powers 50+ chains, processes 17M transactions per day, and secures $14B in total assets. OP Mainnet itself offers 99.99% uptime and an average transaction fee of $0.001, providing a seamless pathway from building an app to launching a full-service chain.
Web3 dapps and developer tools related to OP Mainnet
Discover blockchain applications that are frequently used with OP Mainnet.
Alchemy
Uniswap
OKX
Bybit
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OP Mainnet alternatives
Explore web3 competitors and apps like OP Mainnet.
Base
Arbitrum
Polygon
StarknetApp store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.
