@q1uick20
Scaling blockchain isn’t one‑size‑fits‑all. Layer‑1 upgrades like sharding split the chain, boosting throughput but adding complexity. Layer‑2 rollups bundle many transactions off‑chain, keeping base‑layer security while cutting fees, yet they depend on the underlying chain. Sidechains shift consensus, freeing congestion but risking less decentralization. Each path trades speed, cost, and trust.
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