Name
Abstract | ||
|---|---|---|
Reputation systems are useful to assess the trustworthiness of potential transaction partners, but also a potential threat to privacy since rating profiles reveal users preferences. Anonymous reputation systems resolve this issue, but make it difficult to assess the trustworthiness of a rating. We introduce a privacy-preserving reputation system that enables anonymous ratings while making sure that only authorized users can issue ratings. In addition, ratings can be endorsed by other users. A user who has received a pre-defined number of endorsements can prove this fact, and be rewarded e.g. by receiving a Premium member status. The system is based on advanced cryptographic primitives such as Chaum-Pedersen blind signatures, verifiable secret sharing and oblivious transfer. |
Year | DOI | Venue |
|---|---|---|
2017 | 10.1016/j.jnca.2016.12.023 | J. Network and Computer Applications |
Keywords | Field | DocType |
Reputation system,Reputation management,Anonymity,Privacy | Internet privacy,Reputation system,Computer science,Computer security,Trustworthiness,Cryptographic primitive,Verifiable secret sharing,Anonymity,Database transaction,Oblivious transfer,Reputation | Journal |
Volume | Issue | ISSN |
80 | C | 1084-8045 |
Citations | PageRank | References |
2 | 0.38 | 9 |
Authors | ||
5 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Núria Busom Figueres | 1 | 2 | 0.38 |
| Ronald Petrlic | 2 | 59 | 11.02 |
| Francesc Sebé | 3 | 546 | 40.92 |
| Christoph Sorge | 4 | 172 | 22.16 |
| Magda Valls | 5 | 67 | 8.68 |