Local PIR relaxes classic multi-server PIR to only hide the file index from replicas that actually store it, with graph capacities.
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01 02 Edge augmentation improves XRP Ledger quorum robustness, because the consensus graph apparently needed more edges.03 Data-Dependent Memory-Hard Functions: Sustained Space and Cumulative Complexity Trade-offs in the Parallel Random Oracle Model eprint.iacr.orgDEGSample gets the first sustained-space/cumulative-memory tradeoff for dMHFs in PROM, via the usual pebbling games.