Title :
Fair traceable off-line electronic cash in wallets with observers
Author :
Xiaosong Hou ; Chik How Tan
Author_Institution :
Nanyang Technological University
Abstract :
Fair tracing is an important mechanism to prevent or detect crimes in anonymous electronic cash schemes. Besides coin tracing and owner tracing, self-deanonymization mechanism was proposed by Pfitzmann and Sadeghi recently. In this paper, we present the first off-line electronic cash scheme in wallets with observers that supports coin tracing and owner tracing as well as self-deanonymization. This scheme achieves prior restraint of double-spending using wallet with observers, detection of double-spenders´ identity based on cryptographic methods in case the observer is broken and fair tracing in case crimes take place.
Keywords :
Electronic commerce; Hardware; Identity-based encryption; Information security; Permission; Privacy; Transaction databases; Electronic Payment; Information Security; Secure Electronic Commerce;
Conference_Titel :
Advanced Communication Technology, 2004. The 6th International Conference on
Conference_Location :
Phoenix Park, Korea
Print_ISBN :
89-5519-119-7
DOI :
10.1109/ICACT.2004.1292939