1区块链技术的发展背景随着互联网、移动互联网的蓬勃发展,人们在线交易活动越来越频繁,网络诈骗活动也日益猖獗,由此产生了越来越大的交易恐慌,甚至信任危机现象。另外一方面,需要进行信用构建的在线交易场景也越来越多,如果按照传统方式,通过构建一个第三方认证机构来完成数据的确认与验证, 1 Blockchain technology development background With the vigorous development of the Internet, mobile Internet, online trading activities are more frequent, online fraud is also increasingly rampant, resulting in a growing trading panic, and even the phenomenon of crisis of confidence . On the other hand, there are more and more online transaction scenarios that need credit building. If traditional third-party certification bodies are established to verify and validate data,