Ethereum Layer 2(L2)refers to a set of protocols and technologies that are designed to increase the scalability and efficiency of the Ethereum blockchain.These solutions aim to address the limitations of the Ethereum mainnet(Layer 1),which is known for its congestion and high gas fees during periods of high demand. Here's a brief overview of what Ethereum Layer 2 is and how it works: • Scalability:Layer 2 solutions aim to increase the number of transactions that can be processed without compr...