Linea is a second-layer zkEVM (zero-knowledge Ethereum Virtual Machine) that replicates the Ethereum environment as a rollup, allowing developers to build on it just as they would on the Ethereum mainnet. Linea allows you to deploy any smart contract, use any tool, and develop just like you would on Ethereum. For users, this makes the Ethereum experience and security guarantees possible, but with lower transaction costs. Linea released its public testnet on March 28th. Step One: Set up wallet...