At the end of 2020, Fuel V1 deployed as a Layer-2 (L2) scalability technology on Ethereum. It was the first optimistic rollup, trail-blazing fraud proofs on Ethereum mainnet. Since then, the Fuel project has grown significantly on a path toward Fuel V2, our next-generation rollup architecture, now boasting more than 40 ecosystem projects, all with the aim of building the next era of decentralized applications on Ethereum.