BFPass was originally developed for mesh network communications in disaster recovery scenarios where internet connectivity was intermittent. Engineers needed a system where a user could authenticate to a local node even if the connection to the primary authentication server (like Active Directory or FreeIPA) had been severed. The result was a protocol that shifted the trust boundary from the server to the cryptographic proof itself.
: Some couples use the term playfully to grant "passes" for certain activities, like a "pass" to stay out late with friends or skip a chore. Relationship "Tests" and Social Media bfpass