Ethereum Layer 2s ExplainedBuilt on top of Ethereum, Layer 2 blockchains help speed up transaction processing while keeping the costs down for the L1 network. They do the heavy lifting of transactions that Ethereum cannot, simply because it wasn’t designed to prioritize speed.What is Ethereum?Ethereum is the second most popular blockchain network by market share, conceptualized by Vitalik Buterin in 2013, and launched two years later. Ethereum became popular due to its self-executing smart co...