@tr4verse19
Layer 2 solutions are the real engine behind blockchain scaling, turning slow, costly chains into fast, low‑fee networks that can support millions of users. From optimistic rollups to zk‑rollups, sidechains and state channels, they bundle transactions off‑chain and post proofs on‑chain, preserving security while slashing costs. As L2s mature, everyday use—from DeFi swaps to NFT minting—becomes practical, moving crypto from niche to mainstream.
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