Electronic authentication such as a digital certificate can serve the function of online identity verification. In addition, the public key of digital certificates can be used to encrypt sensitive ...

什么是数字标牌(Digital Signage)？数字标牌(Digital Signage)是什么意思？ 数字标牌(Digital Signage)是一种全新的媒体概念， 指的是在大型商场、超市、酒店大堂、饭店、影院及其他人流汇聚的公共场所，通过大屏幕终端显示设备，发布商业、财经和娱乐信息的多媒体 ...