Overview#The purpose of By-reference is to swap the original message with surrogate data.
The surrogate data could be referenced to the original message later but typically only by the original system in which created the original reference.
By-reference is in contrast to by-value
By-reference does not contain anything that is related to the original data and therefore, other than Replay attack is considered secure.
More Information#There might be more information for this subject on one of the following:
- Authorization Request
- Data type
- EMVCo Tokenization
- Host Card Emulation
- Identity Document
- JSON Web Tokens
- Meaningless But Unique Number
- OAuth 2.0 JWT Secured Authorization Request
- OAuth Dynamic Client Registration Metadata
- Opaque token
- Phantom Token Flow
- Primitive data type
- Reference data type