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Fine-Tuning Decentralized Anonymous Payment Systems based on Arguments for Arithmetic Circuit Satisfiability
digital currencies anonymity zero knowledge
2018/3/6
Digital currencies like Bitcoin and other blockchain based systems provide means to record monetary transfers between accounts. In Bitcoin like systems transactions are published on a decentralized le...
Linear-Time Zero-Knowledge Proofs for Arithmetic Circuit Satisfiability
Zero-knowledge arithmetic circuit ideal linear commitments
2017/9/14
We give computationally efficient zero-knowledge proofs of knowledge for arithmetic circuit satisfiability over a large field. For a circuit with N addition and multiplication gates, the prover only u...
Fully Key-Homomorphic Encryption, Arithmetic Circuit ABE, and Compact Garbled Circuits
Attribute Based Encryption ABE Key-Homomorphic Public Key Encryption
2016/1/9
We construct the first (key-policy) attribute-based encryption (ABE) system with short
secret keys: the size of keys in our system depends only on the depth of the policy circuit,
not its size. Our ...