What Are Layer-2 Networks? Arbitrum, Optimism, Base Explained (Full Guide 2025)
Layer-2 (L2) networks are blockchain scaling solutions built on top of a Layer-1 chain like Ethereum. Their main goal is simple: make transactions faster, cheaper, and more scalable without sacrificing Ethereum’s security. As blockchain adoption grows, Ethereum faces limitations such as network congestion and high gas fees. Layer-2 networks solve this by processing transactions off-chain, … Read more