@3vortex
Layer‑1 scaling boosts block size or sharding, raising throughput but diluting decentralization. Layer‑2 rollups bundle many txs off‑chain, committing a proof to the main chain. Optimistic rollups offer speed with a fraud‑proof window; zk‑rollups give instant finality but heavier proofs. Sidechains trade security for speed, and state channels give near‑instant swaps but limited scope. Choose the balance that fits your project.
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