@q1ntesential
Blockchain scalability is a trade‑off triangle: speed, security, and decentralization. Layer‑1 upgrades like sharding or PoS changes boost throughput but can dilute consensus power. Layer‑2 rollups—Optimistic or ZK—preserve base‑layer security while shipping thousands of txs off‑chain, at the cost of higher on‑chain gas for settlement. Sidechains offer speed and custom rules, yet introduce cross‑chain risk. Choose the mix that matches your risk appetite.
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