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Scalable ZK Rollups

Definition

Scalable ZK rollups are Layer 2 solutions that bundle many blockchain transactions off-chain, then verify them on-chain with a single cryptographic proof. These technologies employ zero-knowledge proofs to validate the correctness of a large batch of transactions executed off the main blockchain, submitting only a concise proof to the Layer 1 chain. This process dramatically increases transaction throughput and reduces computational costs and network congestion, making decentralized applications more efficient and accessible. Scalable ZK rollups inherit the security guarantees of the underlying Layer 1 blockchain, offering a powerful combination of efficiency and cryptographic security.