Ethereum L2 networks are decentralized networks that operate on top of the Ethereum blockchain, with the aim of improving scalability and reducing transaction fees. L2 stands for "layer 2," as these networks operate on a separate layer from the Ethereum mainchain, allowing them to process transactions and data off-chain and reduce the load on the mainchain. There are several different types of Ethereum L2 networks, each with its own unique features and characteristics. One type of Ethereum L2...