UY24971A1 - VALUE TRANSFER SYSTEM - Google Patents
VALUE TRANSFER SYSTEMInfo
- Publication number
- UY24971A1 UY24971A1 UY24971A UY24971A UY24971A1 UY 24971 A1 UY24971 A1 UY 24971A1 UY 24971 A UY24971 A UY 24971A UY 24971 A UY24971 A UY 24971A UY 24971 A1 UY24971 A1 UY 24971A1
- Authority
- UY
- Uruguay
- Prior art keywords
- scheme
- cards
- transfer system
- value transfer
- integrated circuit
- Prior art date
Links
Landscapes
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Abstract
Un sistema de transferencia de valor que emplea tarjetas de circuito integrado para el intercambio de efectivo electrónico en transacciones fuera de línea emplea protocolos de mensajes protegidos criptograficamente. Las tarjetas se cargan cada una con dos esquemas de una serie y la interacción entre las tarjetas determina y usa el esquema más antiguo compartido por las tarjetas, haciendo que una tarjeta cambie de esquema irrevocablemente si dicho esquema común es su segundo esquema. De este modo un cambio a nuevo esquema puede migrar a través del sistema. La figura 1 ilustra un dispositivo portador de aplicación (ACD) en forma de una tarjeta de circuito integrado ICC 1.A value transfer system employing integrated circuit cards for the exchange of electronic cash in offline transactions employs cryptographically protected message protocols. The cards are each loaded with two schemes of a series and the interaction between the cards determines and uses the oldest scheme shared by the cards, causing a card to change scheme irrevocably if that common scheme is its second scheme. In this way a change to a new scheme can migrate through the system. Figure 1 illustrates an application carrier device (ACD) in the form of an integrated circuit card ICC 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UY24971A UY24971A1 (en) | 1998-04-22 | 1998-04-22 | VALUE TRANSFER SYSTEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UY24971A UY24971A1 (en) | 1998-04-22 | 1998-04-22 | VALUE TRANSFER SYSTEM |
Publications (1)
Publication Number | Publication Date |
---|---|
UY24971A1 true UY24971A1 (en) | 1998-10-16 |
Family
ID=71095753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UY24971A UY24971A1 (en) | 1998-04-22 | 1998-04-22 | VALUE TRANSFER SYSTEM |
Country Status (1)
Country | Link |
---|---|
UY (1) | UY24971A1 (en) |
-
1998
- 1998-04-22 UY UY24971A patent/UY24971A1/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
109 | Application deemed to be withdrawn |
Effective date: 20121115 |