Layer 2 refers to a set of solutions built on top of a blockchain (Layer 1) to improve scalability, speed, and transaction costs. Popular blockchains like Ethereum can become slow and expensive during high usage, which is where Layer 2 solutions come in.
Layer 2 works by processing transactions off the main blockchain while still relying on its security. After processing, the results are recorded back on the main chain. This reduces congestion and lowers fees significantly.
Examples of Layer 2 technologies include rollups, sidechains, and state channels. These solutions allow users to perform faster and cheaper transactions without compromising security.
Layer 2 is essential for the growth of decentralized applications (dApps), DeFi platforms, and NFT ecosystems. It enables more users to interact with blockchain networks efficiently.
As the crypto space grows, Layer 2 solutions are becoming a key part of the infrastructure, helping blockchain technology scale to meet global demand.
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