Abstract
If a payment system is to be used for payments over a communication network as well as for off-line payments, “electronic wallets” are needed, i.e. tamper-resistant devices guaranteeing the correctness of digital payments. Besides the trustworthiness of the physical security techniques, the main problem with such devices is how to tolerate complete failures or losses, which would imply a loss of money, if no fault tolerance measures were taken. We discuss the possibilities for such fault tolerance measures, taking into account not only the users’ security, but also their privacy, and describe some mechanisms in more detail. The result is that the principle of marked standard value transactions can be used to construct efficient mechanisms providing high fault tolerance and leaving security, anonymity, and autonomy of electronic wallets nearly unchanged.
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© 1987 Springer-Verlag Berlin Heidelberg
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Waidner, M., Pfitzmann, B. (1987). Verlusttolerante elektronische Brieftaschen. In: Belli, F., Görke, W. (eds) Fehlertolerierende Rechensysteme / Fault-Tolerant Computing Systems. Informatik-Fachberichte, vol 147. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-45628-2_4
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DOI: https://doi.org/10.1007/978-3-642-45628-2_4
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-18294-8
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