Tribble co-designed the negotiation process and contract for AMiX, the first smart contracting system. Microsoft’s Midori distributed object-capability operating system was designed by him as a Principal Architect. As founder and CTO of Agorics (acquired by Microsoft), he architected Schwab’s active trader brokerage information system and SunLabs’ WebMart electronic contract system. A number of billions of dollars have been carried through his echeck systems as CTO of VerifyValid and VP of Deluxe.