An Efficient On-Line Electronic Cash with Unlinkable Exact Payments.

Toru Nakanishi Yuji Sugiyama An Efficient On-Line Electronic Cash with Unlinkable Exact Payments. 2769-2777 2005 88-A IEICE Transactions 10 http://dx.doi.org/10.1093/ietfec/e88-a.10.2769 db/journals/ieicet/ieicet88a.html#NakanishiS05a