Definition ∞ Proof chaining is a cryptographic technique where multiple individual proofs are sequentially linked, with the output or conclusion of one proof serving as a verifiable input for the subsequent proof. This method enables the efficient aggregation and verification of complex computations or numerous transactions. It creates a compact, verifiable record of a larger process. This approach significantly reduces the data required for validation.
Context ∞ Proof chaining is a key innovation for scaling blockchain networks, particularly within zero-knowledge rollup solutions, by allowing many off-chain transactions to be condensed into a single, verifiable proof on the main chain. This technology dramatically improves throughput and reduces transaction costs, making decentralized applications more scalable and practical. Developments in proof chaining are regularly reported as crucial advancements for blockchain performance.
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