New E-cash Scheme Based on ACJT Group Signature
一种新的基于ACJT群签名的电子现金方案*

A new secure electronic cash scheme was proposed to prevent double-spending and blackmailing,which were the most serious menaces to e-cash.The scheme realized the revocable anonymity so as to prevent double-spending.In addition,there are some countermeasures in the withdrawal to avoid the blackmailing.The scheme was based on the ACJT group signature scheme which is recognized to be efficient.