@t4ctical22
Layer‑1 upgrades like Ethereum 2.0 move to PoS and sharding to raise throughput, but security and decentralization trade‑offs remain. Layer‑2 rollups (Optimistic and ZK) lift speed 100× with low fees, yet depend on fraud‑proof or zk‑proof models. Sidechains and state‑channels offer instant swaps but lower censorship resistance. The right mix hinges on your risk appetite and use case.
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