Overview#

Proof-of-Possession (PoP) which implies it a Possession Factor as used to Authenticate and often used in Multi-Factor Authentication

A Proof-of-Possession Token as the Proof-of-Possession Key Semantics for JSON Web Tokens (JWTs) is one way to show Proof-of-Possession

More Information#

There might be more information for this subject on one of the following:

• Authentication Method Reference Values
• Authenticator Assurance Levels
• Credential
• Derived Credential
• Hwk
• LOA 3
• LOA 4
• M-04-04 Level of Assurance (LOA)
• OAuth 2.0 Demonstration of Proof-of-Possession at the Application Layer
• OAuth 2.0 Proof-of-Possession (PoP) Security Architecture
• PoP
• Proof Key for Code Exchange by OAuth Public Clients
• Proof-of-Possession Key Semantics for JSON Web Tokens (JWTs)
• Sender Constrained Token
• Swk
• Token Binding Protocol