Privacy Pass [0] is a proposed IETF standard for this. It is an e-cash scheme based on blind signatures or oblivious pseudorandom functions and provides unlinkability. In my opinion, it is a relatively simple protocol,…
Privacy Pass [0] is a proposed IETF standard for this. It is an e-cash scheme based on blind signatures or oblivious pseudorandom functions and provides unlinkability. In my opinion, it is a relatively simple protocol,…