摘要： SPKI is a proposed standard for public-key certificates. One important property of SPKI is that SPKI is key-oriented rather than name-oriented, and the public-key is globally unique. In this paper we propose an anonymous paymentscheme based on SPKI aimin

关键词: 电子商务 商业交易 电子交易 匿名支付 SPKI Intetnet