Untraceable electronic mail, return addresses, and digital pseudonyms

Untraceable Electronic Cash

Out-of-net host addresses for mail

There is now interest in sustantially extending the scope of the computer mail system used in the ARPANET to allow communication of voice, fax, graphics, as well as text information between users in different networks as wells as within the ARPANET. The discussion of a transition from the current ARPANET sndmsg environment and mechanisms to a more general internet environment and richer mechani...

Unique User - generated Digital Pseudonyms ⋆ Updated : 2007

This paper presents a method to generate unique and nevertheless highly random pseudonyms in a distributed environment. More precisely, each user can now generate his pseudonym locally in his personal security environment, e.g. in his smart card or his personal digital assistant. There is no need for any information interchange between issuing parties or global data (especially keys), except un...

Secure untraceable off-line electronic cash system

Electronic cash; Payment systems; Untraceable; Date attachable. Abstract Eslami and Talebi (2011) [25] proposed an untraceable electronic cash scheme and claimed that their scheme protects the anonymity of customers, detects the identity of double spenders and provides the date attachability of coins to manage the bank database. In this paper, illustrating Eslami and Talebi’s scheme, as one of ...

Strong Loss Tolerance for Untraceable Electronic Coin

Untraceable electronic cash means prepaid digital payment systems, usually with off-line payments, that protect user privacy. They have recently received great attention in both theory and development projects. However, with most current schemes, loss of a user device containing electronic cash implies a loss of money, just as with real cash. Compared with credit schemes, this is considered a s...