@geopl
Scalability is the heart of next‑gen blockchains. Layer‑2 rollups bundle many transactions off‑chain and commit a summary to the main net, giving speed with minimal security loss. Sharding splits state across nodes, raising throughput but increasing complexity and sync overhead. Sidechains trade decentralization for flexible consensus, but rely on pegging mechanisms. Each path trades speed, cost, and trust—pick the right balance for your use case.
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