A new scheme for electronic money is described where {\ecash} is created for a specific recipient in any transaction. This has benefits for the efficiency of implementing measures against double spending. Details of the scheme are provided to show that anonymity and transferability are still possible with recipient specific {\ecash}. The scheme ensures both authentication and integrity of the electronic instrument. | ||
Keywords: Electronic cash, anonymous payments, double payments, zero-knowledge proof | ||
chitta@iitkgp.ac.in | [Full paper and publications list] |