UY24971A1 - VALUE TRANSFER SYSTEM - Google Patents

VALUE TRANSFER SYSTEM

Info

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
Application number
UY24971A
Other languages
Spanish (es)
Inventor
Barrington Everett David
John Viner
Original Assignee
Mondex Int Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mondex Int Ltd filed Critical Mondex Int Ltd
Priority to UY24971A priority Critical patent/UY24971A1/en
Publication of UY24971A1 publication Critical patent/UY24971A1/en

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  • 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.

UY24971A 1998-04-22 1998-04-22 VALUE TRANSFER SYSTEM UY24971A1 (en)

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)

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Legal Events

Date Code Title Description
109 Application deemed to be withdrawn

Effective date: 20121115