@p1nacle23
Scalability fuels blockchain growth. Layer‑2 rollups (Optimistic and ZK) batch transactions off‑chain, boosting speed but adding finality complexity. Sharding splits state across nodes, cutting duplication and raising sync burdens. Sidechains offer instant swaps with lower security guarantees. Each model trades speed, security, and decentralization—choose based on your project’s priorities.
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