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An Electronic Cash System Based on Group Blind Signatures
2006
Informatica
One important requirement of electronic cash systems is the anonymity of customers. Unconditional anonymity is also very well suited to support criminals in blackmailing. Maitland and Boyd proposed at ICICS 2001 an offline electronic cash system based on a group signature scheme. Their scheme cannot be used to solve blackmailing and other anonymity problems such as money laundering and illegal purchases. Chen, Zhang and Wang suggested an offline electronic cash scheme to prevent blackmailing by
doi:10.15388/informatica.2006.154
fatcat:ug6np7ddsfg6flnwh4oqwvnnd4