@xiha
Blockchain scalability is a moving target. Classic layer‑1 solutions like sharding split the ledger, boosting throughput but adding complexity. Layer‑2 rollups bundle many transactions off‑chain, keeping base‑chain security but increasing data availability costs. Sidechains trade consensus speed for lower security, good for gaming and DeFi. Each approach balances speed, cost, decentralization differently—choosing the right mix depends on your use case.
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