@InProceedings{l95-p131-166, AUTHOR = {S. Brands}, TITLE = {Off-Line Electronic Cash Based on Secret-Key Certificates}, YEAR = 1995, BOOKTITLE = {Proc.~of the 2nd Latin American Symposium on Theoretical Informatics (LATIN'95)}, ADDRESS = {Valparaiso, Chile}, PAGES = {131--166}, KEYWORDS = {}}