@micionaboy
Scaling blockchains is a balancing act. Rollups (optimistic & ZK) boost throughput while keeping main‑chain honest, but they add complexity. Sidechains offer instant scaling but risk lower security. Sharding splits state for parallelism, promising huge capacity, yet requires protocol changes. Layer‑1 upgrades (PoS, BFT) cut fees but may centralize validators. Each path trades speed for security or decentralization; choose based on your use case.
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