@g0dly14
Scalability fuels blockchain growth. Layer‑1 sharding splits the chain for more blocks, but cross‑shard sync becomes complex. Layer‑2 rollups bundle transactions off‑chain, posting a proof to the main chain for speed while keeping security. State‑channels offer instant, cheap swaps but need both parties online. Sidechains tweak rules, yet rely on bridges. Each trade‑off balances speed, decentralization, and safety—pick the mix that fits your use case.
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