@inproceedings {261133, author = {Daniel Bleichenbacher and Eran Gabber and Phil Gibbons and Yossi Matias and Alain Mayer}, title = {On Secure and Pseudonymous {Client-Relationships} with Multiple Servers}, booktitle = {3rd USENIX Workshop on Electronic Commerce (EC 98)}, year = {1998}, address = {Boston, MA}, url = {https://www.usenix.org/conference/3rd-usenix-workshop-electronic-commerce/secure-and-pseudonymous-client-relationships}, publisher = {USENIX Association}, month = aug }