Equilibrium / Selected work / OpEVM

OpEVM

An open-source SDK to build sovereign, EVM-compatible optimistic rollups on top of Avail.

Completed
availproject/op-evm
Client Avail
Ecosystems Avail · Ethereum
Stack Go
Delivered by Equilibrium Labs (now Equilibrium)

Overview

OpEVM is a software development kit for building Layer-2 optimistic rollups on top of Avail that are both sovereign and EVM-compatible. It uses off-chain execution and transaction batching for throughput, and fraud proofs to detect malicious blocks.

The “sovereignty” comes from not requiring a settlement-layer smart contract to perform fraud-proof checks. Instead, node operators determine the canonical state of the chain. OpEVM supports a decentralized sequencer set and fraud proofs from the start, strengthening liveness, censorship resistance, and security. Built in collaboration with Avail.