1
David Chaum: Cryptographic identification, financial transaction, and credential device. Spensley Horn Jubas & Lubitz, July 16, 1985: US04529870 (451 worldwide citation)

The invention provides a cryptographic apparatus which may be "personalized" to its owner. The apparatus may be utilized by its owner to identify himself to an external computer system, to perform various financial transactions with an external system, and to provide various kinds of credentials to ...


2
Steven M Hoffberg: System and method for determining contingent relevance. Steven M Hoffberg Esq, Ostrolenk Faber, November 14, 2017: US09818136 (5 worldwide citation)

A system and method providing for communication and resolution of utility functions between participants, wherein the utility function is evaluated based on local information at the recipient to determine a cost value thereof. A user interface having express representation of both information elemen ...