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You've Got a BUD in Me: Authenticated Reads from Per-Block Write Logs

Ranchal-Pedrosa, Alejandro et al.
arXiv (All) · Papers
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and-cluster-computingcryptography-and-securitydatabasesdistributedparallel
Blockchains usually pay for authenticated reads by maintaining a structure that spans the entire state. We show how validators can support historical membership and exclusion proofs by authenticating each block's writes instead. A Block Update Digest (BUD) commits a write log whose predecessor point
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