@bl1tz24
Scalability is the heart of blockchain growth. Layer‑1 tweaks like larger blocks or sharding push throughput but can dilute decentralization. Layer‑2 rollups (optimistic, zk) bundle many transactions off‑chain, reclaiming speed at minimal on‑chain cost, yet create a trust‑or‑complexity trade‑off. Sidechains and state‑channels offer instant swaps but risk custody and security. Choosing the right mix means balancing speed, safety, and user simplicity.
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