The Danger of Small Anonymity Sets in Privacy-Preserving Payment Systems.
Christiane KuhnAniket KateThorsten StrufePublished in: CoRR (2022)
Keyphrases
- privacy preserving
- payment systems
- privacy protection
- electronic cash
- data publishing
- privacy preservation
- payment scheme
- mobile commerce
- credit card
- privacy preserving data mining
- sensitive information
- location privacy
- high volume
- vertically partitioned data
- security mechanisms
- private information
- privacy issues
- biometric authentication
- payment protocol
- data privacy
- differential privacy
- blind signature
- sensitive data
- blind signature scheme
- privacy concerns
- mobile devices
- knowledge discovery