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Fast, stable, scalable Ethereum.
OP Mainnet is a fast, stable, and scalable L2 blockchain built
by Ethereum developers, for Ethereum developers. Built as a
minimal extension to existing Ethereum software, OP Mainnet's
EVM-equivalent architecture scales your Ethereum apps without
surprises. If it works on Ethereum, it works on OP Mainnet at a
fraction of the cost.
OP Mainnet goes Superchain
The Superchain project seeks to maximize interoperability and
composability between different chains using the OP Stack, and
integrate siloed L2s into a single, cohesive layer.
The Superchain
Building towards a unified future that doesn’t fracture our
ecosystems, our applications, or our ability to work together.
Get in touch
Built for the public good.
OP Mainnet is more than just a blockchain. It's an experiment in
sustainable ecosystem funding fueled by protocol revenue.
Retroactive Public Goods Funding is simple: you build for the
public good, you're eligible to receive a grant. Join us on
Discord and help build the future of Ethereum, sustainably.
Developer resources
Everything you need to get started building on OP Mainnet, all
in one place.