%% You should probably cite draft-ietf-privacypass-protocol-16 instead of this revision. @techreport{ietf-privacypass-protocol-06, number = {draft-ietf-privacypass-protocol-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-privacypass-protocol/06/}, author = {Sofia Celi and Alex Davidson and Armando Faz-Hernandez and Steven Valdez and Christopher A. Wood}, title = {{Privacy Pass Issuance Protocol}}, pagetotal = 22, year = 2022, month = jul, day = 6, abstract = {This document specifies two variants of the the two-message issuance protocol for Privacy Pass tokens: one that produces tokens that are privately verifiable, and another that produces tokens that are publicly verifiable. The privately verifiable issuance protocol optionally supports public metadata during the issuance flow.}, }