www.openauthentication.org

Anchor text: OATH Initiative for open authentication

Wikipedia: Security token

Anchor text: List of OATH members

Wikipedia: Initiative for Open Authentication

Anchor text: OATH Specifications

Wikipedia: Initiative for Open Authentication

Anchor text: OATH Submits TOTP: Time-Based One Time Password Specification to IETF

Wikipedia: Time-based one-time password

Anchor text: OATH certified authentication server

Wikipedia: LinOTP