Optimism

Powered by Optimism’s OP stack, Unichain—like other layer-2s on Ethereum—offers faster and cheaper transactions compared to Ethereum’s mainnet.

One of the biggest trends of 2023 among the leading layer-2 projects on Ethereum was the emergence of “blockchain in a box,” where teams encouraged developers to clone their code to spin up new layer 2s. Now, one project in particular, Optimism, appears to be pulling away as the clear leader.

BOB’s aim is to create bridges between itself and layer-1 blockchains like Ethereum, with the ultimate goal of making Bitcoin the center of DeFi.