A Layer 2 scaling solution that uses zero-knowledge proofs to validate transactions cryptographically rather than relying on fraud-proof challenge periods. Major ZK rollups: zkSync, Starknet, Polygon zkEVM, Linea. ZK rollups offer faster finality than optimistic rollups (no 7-day challenge window) but typically have lower current throughput and higher proving costs.
ZK-rollup
A Layer 2 scaling solution that uses zero-knowledge proofs to validate transactions cryptographically rather than relying on fraud-proof challenge periods. Major ZK rollups: zkSync, Starknet, Polygon zkEVM, Linea. ZK rollups offer faster finality than optimistic rollups (no 7-day challenge window) but typically have lower current throughput and higher proving costs.
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