Hashing Functions

Or “hashing” is taking user identifications and converting them into an ordered system to track the user’s activities without directly using personally identifiable information (PII).  Hashing can be used to encrypt or map data; in the context of privacy, hashing is used in cryptographic hash functions and have many information security applications. 

Associated term(s): Anonymous Information, Pseudonymous Data, De-Identification, Re-Identification