根据Lucas序列的特点 ,设计了一种新的盲签名方案 ,其安全性是基于大数分解问题的 .该方案签名和验证过程简单 ,通信成本低 ,因而有较高的安全性和实用性 According to the characteristics of Lucas sequence, a new blind signature scheme is designed, whose security is based on the big number decomposition problem.The scheme has the advantages of simple signature and verification process, low communication cost and high security and practicability