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Collaborative Deanonymization
May 07, 2020 Β· Declared Dead Β· π Financial Cryptography Workshops
"No code URL or promise found in abstract"
Evidence collected by the PWNC Scanner
Authors
Patrik Keller, Martin Florian, Rainer BΓΆhme
arXiv ID
2005.03535
Category
cs.CR: Cryptography & Security
Cross-listed
cs.CY
Citations
11
Venue
Financial Cryptography Workshops
Last Checked
4 months ago
Abstract
Privacy-seeking cryptocurrency users rely on anonymization techniques like CoinJoin and ring transactions. By using such technologies benign users potentially provide anonymity to bad actors. We propose overlay protocols to resolve the tension between anonymity and accountability in a peer-to-peer manner. Cryptocurrencies can adopt this approach to enable prosecution of publicly recognized crimes. We illustrate how the protocols could apply to Monero rings and CoinJoin transactions in Bitcoin.
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