https://eprint.iacr.org/2013/622.pdfThe authors of the paper claim in the abstract:
In this work we propose a novel anonymous credential scheme that eliminates the need for a trusted
credential issuer. Our approach builds on recent results in the area of electronic cash and uses techniques |
such as the calculation of a distributed transaction ledger | that are currently in widespread deployment
in the Bitcoin payment system. Using this decentralized ledger and standard cryptographic primitives,
we propose and provide a proof of security for a basic anonymous credential system that allows users to
make exible identity assertions with strong privacy guarantees. Finally, we discuss a number of practical
applications for our techniques, including resource management in ad hoc networks and prevention of
Sybil attacks. We implement our scheme and measure its eciency.
If that holds shouldn't Payment Protocol's use of CA be revisited?
