《山东大学学报(理学版)》 ›› 2019, Vol. 54 ›› Issue (1): 88-95.doi: 10.6040/j.issn.1671-9352.2.2018.028
• • 上一篇
张键红1,2,3,白文乐1*,欧培荣1
ZHANG Jian-hong1,2,3, BAI Wen-le1*, OU Pei-rong1
摘要: 借助Mixcoin模型和代理重签名算法的签名所有权的转化思想,提出了一种基于区块链的匿名密码货币支付系统模型。在支付阶段, 通过利用代理重签名技术把交易用户的签名转换为权威机构的签名,然后通过权威机构的信任背书提高交易的确认速度,从而缩短交易确认时间和阻止了用户的双重花费,提高了交易效率;基于Diffie-Hellman密钥协商思想,利用用户和商家能够产生相同的一次公钥地址作为收款地址,更好地实现了资金流向的匿名性,即实现了交易的隐私保护。最后通过与其它两种方案进行性能比较,所建议的方案综合性能具有较大优势。
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