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Utreexo: A dynamic hash-based accumulator optimized for the Bitcoin UTXO set
accumulators bitcoin merkle proofs
2019/6/4
In the Bitcoin consensus network, all nodes come to agreement on the set of Unspent Transaction Outputs (The “UTXO” set). The size of this shared state is a scalability constraint for the network, as ...
Large FHE gates from Tensored Homomorphic Accumulator
Fully Homomorphic Encryption Large Gates Threshold Gates
2017/10/12
The main bottleneck of all known Fully Homomorphic Encryption schemes lies in the bootstrapping procedure invented by Gentry (STOC'09). The cost of this procedure can be mitigated either using Homomor...
RingCT 2.0: A Compact Accumulator-Based (Linkable Ring Signature) Protocol for Blockchain Cryptocurrency Monero
Cryptographic Currency Anonymity
2017/9/25
In this work, we initially study the necessary properties and security requirements of Ring Confidential Transaction (RingCT) protocol deployed in the popular anonymous cryptocurrency Monero. Firstly,...
An accumulator is a succinct aggregate of a set of values where it is possible to issue short
membership proofs for each accumulated value. A party in possession of such a membership
proof can then ...
An Accumulator Based on Bilinear Maps and Efficient Revocation for Anonymous Credentials
dynamic accumulators anonymous credentials revocation
2009/6/11
The success of electronic authentication systems, be it e-
ID card systems or Internet authentication systems such as CardSpace,
highly depends on the provided level of user-privacy. Thereby, an imp...