Due to the scalability challenges within Ethereum, a number of innovative solutions have come into the fore. The novelty from Optimism, Arbitrum, Aptos, and Immutable makes them the forerunners in this regard, each of these having presented unique approaches to performance and usability improvements on blockchain. Optimism(OP): A Layer-Two Solution Current price:$1.75 Market cap:$2.080 Optimism is one of the major layer-two blockchains on Ethereum, which rolls out optimistic rollups, thus enabling faster transaction processing and keeping security levelled via the Ethereum mainnet. It currently has 97 protocols on board, such as Synthetix, Uniswap, and Velodrome, for a total value locked