This paper introduces one time password technology, electronic token technology, biometric technology and hardware recognition technology.

文章介绍了一次性口令技术、电子令牌技术、生物识别技术和硬件识别技术。

youdao

This protocol is based on current hardware foundation of Ethernet and solves access conflict through token-control by creating virtual token on application layer.

该协议基于现有的以太网硬件基础，在应用层构造虚拟令牌，利用令牌控制来解决网络的访问冲突问题。

youdao

In particular the web giant is exploring hardware authentication options and experimenting with a device called YubiKey -- a USB-based token system.

ENGADGET