An opening proof update refers to the initial cryptographic proof generated or modified within a commitment scheme to reflect a change in the underlying data. This update allows for efficient verification of the new state without requiring a full re-computation of all previous proofs. It is a key component in maintaining verifiable data structures with minimal overhead. This process streamlines data integrity checks.
Context
In blockchain scaling solutions, particularly those employing zero-knowledge proofs or verifiable data structures, the efficiency of opening proof updates directly impacts transaction throughput and verification costs. News regarding protocol upgrades or new layer-2 constructions often details improvements in the speed or size of these updates. This advancement contributes to reducing the computational burden on network participants and enhancing overall network performance.
A new vector commitment scheme achieves sublinear complexity for both global update size and local proof updates, solving the stateless client efficiency trade-off.
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