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cs.CR2019
Bitcoin Security under Temporary Dishonest Majority
Georgia Avarikioti, Lukas Kaeppeli, Yuyi Wang +1
We prove Bitcoin is secure under temporary dishonest majority. We assume the adversary can corrupt a specific fraction of parties and also introduce crash failures, i.e., some hone…
cs.CR2018
Towards Secure and Efficient Payment Channels
Georgia Avarikioti, Felix Laufenberg, Jakub Sliwinski +2
Micropayment channels are the most prominent solution to the limitation on transaction throughput in current blockchain systems. However, in practice channels are risky because par…