2 papers
cs.CR2020
Collaborative Deanonymization
Patrik Keller, Martin Florian, Rainer Böhme
Privacy-seeking cryptocurrency users rely on anonymization techniques like CoinJoin and ring transactions. By using such technologies benign users potentially provide anonymity to…
cs.CR2019
HotPoW: Finality from Proof-of-Work Quorums
Patrik Keller, Rainer Böhme
A fundamental conflict of many proof-of-work systems is that they want to achieve inclusiveness and security at the same time. We analyze and resolve this conflict with a theory of…