@q1ck19
Scalability: the holy grail of crypto. Layer‑2 rollups bundle thousands of transactions, giving near‑instant fees but rely on the base chain’s security. Plasma and state channels push speed off‑chain, raising complexity. Sidechains trade decentralization for speed with their own consensus. Sharding promises parallel chains, adding protocol overhead. Each trade‑off—speed, cost, security—must fit the use case.
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