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SwapCT: Swap Confidential Transactions for Privacy-Preserving Multi-Token Exchanges

Felix Engelmann, Lukas Müller, Andreas Peter, Frank Kargl, Christoph Bösch
2021 Proceedings on Privacy Enhancing Technologies  
Our SwapCT system thereby enables a secure and private exchange for tokens without a trusted third party.  ...  We prove that SwapCT is secure in a strict, formal model and present its efficient performance in a prototype implementation with logarithmic signature sizes for large anonymity sets.  ...  This work was partially supported by a fellowship within the IFI programme of the German Academic Exchange Service (DAAD) and partially funded by the Carlsberg Foundation under the Semper Ardens Research  ... 
doi:10.2478/popets-2021-0070 fatcat:2ed7l7c6grbnhedwl5pgt4rpfq

Proceedings of the 2021 Joint Workshop of the German Research Training Groups in Computer Science. May 31–June 1, 2021

Joint Workshop Of The German Research Training Groups In Computer Science, Erlangen May 31–June 1, 2021, Felix Freiling
2021
Initiated in 1996 and run regularly since 2007, researchers of the German Research and Training Groups (RTGs) funded by the Deutsche Forschungsgemeinschaft (DFG) in the field of computer science meet annually  ...  The goal of these workshops is to foster an interchange of ideas and experiences in order to strengthen the connection within the German computer science community.  ...  Without Trusted Setup, R.  ... 
doi:10.25593/opus4-fau-16426 fatcat:isoyq5lzdffxrdqzvkmfsnjgau