1
David P Cook: Centralized authorization and fraud-prevention system for network-based transactions. Zixit Corporation, Haynes and Boone, February 8, 2005: US06853987 (114 worldwide citation)

A system and method for authorizing certain aspects of network based transactions between a customer and a merchant is disclosed. The system utilizes an account code for identifying rights to use an account identified by an account number, and a database for storing the account number, account code, ...


2
David P Cook: Centralized authorization and fraud-prevention system including virtual wallet for network-based transactions. ZixIt Corporation, Fish & Richardson P C, March 12, 2013: US08396810 (7 worldwide citation)

A system and method for authorizing certain aspects of network based transactions between a customer and a merchant is disclosed.


3
Cook David P: Secure forwarding system. Zixit Corporation, Cook David P, KIRKLAND Mark D, December 20, 2001: WO/2001/097089

A method and system for forwarding secure E-mails including receiving a message from a sender (602), processing the message in a filter layer (604), retrieving recipient delivery preferences (605). For Web delivery (606), a standard encrypted format message is constructed (607) and stored in queue ( ...