Definition ∞ Zk-rollup technology is a Layer 2 scaling solution for blockchains that processes transactions off-chain and then submits a cryptographic proof of their validity to the main chain. This proof, often a zero-knowledge proof, confirms the correctness of many transactions in a single submission. It significantly increases transaction throughput and reduces computational load on the main blockchain. This technology enhances scalability.
Context ∞ News frequently covers the deployment and development of zk-rollup technology as a leading solution for scaling prominent blockchains like Ethereum. These rollups are critical for enabling decentralized applications to handle a larger user base and more complex operations efficiently. The ongoing advancements in zero-knowledge cryptography are a key area of focus for improving the performance and security of these scaling solutions.
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