互联网经过这几年的大规模建设,不管是在基础设施方面,还是在提供给用户的产品和服务的种类方面,都有了巨大的发展。但是,在网上交易中,客户面临的是一个虚拟的商家,他要把自己非常机密的个人信息和信用卡帐号、密码通过网络进行传递,然后等待自己购买的产品或服 After years of massive construction of the Internet, there has been tremendous growth in terms of infrastructure and types of products and services provided to users. However, in online transactions, the customer is facing a virtual business, he wants his very personal and personal credit card information, passwords, passwords passed through the network, and then wait for their purchase of products or services