| 摘要 |
FIELD: electronic payments. SUBSTANCE: device has trusted agent of buyer, first money unit, trusted agent of seller, second money unit. Invention discloses methods for operations of said device. First matching system has first and second agents which are protected from unauthorized access. Second matching system has first and second electronic transaction devices which are protected from unauthorized access. EFFECT: electronic signature of information about payment by trusted agent of issuer. 16 cl, 44 dwg
|
