@misc{cryptoeprint:2020:072, author = {Ben Kreuter and Tancrede Lepoint and Michele Orru and Mariana Raykova}, title = {Anonymous Tokens with Private Metadata Bit}, howpublished = {Cryptology ePrint Archive, Report 2020/072}, year = {2020}, url = {https://eprint.iacr.org/2020/072}, }