WO2005124708A1 - Procede de paiement anonyme et securise sur internet et mobiles - Google Patents
Procede de paiement anonyme et securise sur internet et mobiles Download PDFInfo
- Publication number
- WO2005124708A1 WO2005124708A1 PCT/FR2005/001228 FR2005001228W WO2005124708A1 WO 2005124708 A1 WO2005124708 A1 WO 2005124708A1 FR 2005001228 W FR2005001228 W FR 2005001228W WO 2005124708 A1 WO2005124708 A1 WO 2005124708A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- payment
- client
- anonymous
- server
- account
- Prior art date
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/342—Cards defining paid or billed services or quantities
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/03—Credit; Loans; Processing thereof
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/02—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by keys or other credit registering devices
- G07F7/025—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by keys or other credit registering devices by means, e.g. cards, providing billing information at the time of purchase, e.g. identification of seller or purchaser, quantity of goods delivered or to be delivered
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
- H04L9/3257—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using blind signatures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/42—Anonymization, e.g. involving pseudonyms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
Definitions
- the present invention relates to the general technical field of security of services, and more particularly to the technical field of electronic commerce, by means of cryptography. More specifically, the invention relates to an advanced application of transaction services: electronic payment.
- the general aim of the invention is to propose means allowing a user: 1) to pay online without having to provide his bank card number, 2) to guarantee his anonymity, 3) to lift his anonymity in case of fraud , 4) to be able to pay while on the move.
- the major solutions allowing to pay online without having to provide your bank card number are dynamic virtual cards (CVD), prepaid cards, and electronic parts.
- Dynamic virtual cards are virtual blue cards, the number of which is disposable because it is generated with each purchase.
- the operating principle of virtual cards is as follows. The user connects to the online service of his bank.
- Prepaid cards are scratch cards credited with a certain amount.
- the operating principle of prepaid cards is as follows. The user purchases a prepaid card, credited with a certain amount, at a point of sale, such as a tobacconist. The user then has this amount of money and can spend it online. For this, with each new online purchase, the user will provide the merchant site with the code they have scratched on their prepaid card instead of providing their physical bank card number.
- These prepaid cards have the following drawbacks: - they do not allow payment to be made completely online.
- the user must have purchased his prepaid card in advance at a point of sale. - the anonymity of the user is not revocable. Indeed, it is not possible, in the event of fraud, to find the identity of the user from the code of the prepaid card.
- An object of the present invention is to provide a complete anonymous and secure payment solution which overcomes most of the aforementioned drawbacks.
- the invention relates to an anonymous and secure online payment method usable by a Customer from a fixed or mobile telecommunications terminal, characterized in that it comprises the steps consisting of:
- Anonymity Server to offer the Client the online acquisition of an anonymous payment method, said acquisition being carried out on the basis of a protocol that does not allow the Anonymity Server to link the payment method to the client, - For a Payment Server, to allow the opening of an anonymous account using the anonymous payment method acquired in the previous step,
- online payment is meant in the context of the present invention, any payment made remotely via a telecommunication service or a network such as the Internet.
- the present invention thus provides a complete and global solution for:
- the invention is based on revocable anonymity mechanisms allowing a trusted entity (for example a legal body) to be able to lift anonymity by fraud or litigation,
- the invention allows the customer to be able to pay while on the move: indeed, the invention allows the customer to be able to pay from a fixed telecommunications terminal such as a personal computer, but also from an internet cafe or from a mobile phone for example.
- the method further comprises the step consisting, for a trusted entity, in enabling the anonymity of the Client to be lifted on the basis of information provided by the Anonymity Server in the event of fraud.
- the stage consisting in proposing to the Customer the online acquisition of an anonymous means of payment includes the sub-stages consisting, for the Server of anonymity, in o Authentication of the Customer on the basis of personal data sent by this one , o the debit of a personal account of the Client of a sum of money corresponding to an amount desired by the latter for the means of payment, o the generation of the means of payment, said means of payment comprising in particular the desired amount by the Client and a signature of the Anonymity Server, this signature being unknown to said Anonymity Server, o the sending of the means of payment generated to the Client.
- the step consisting in allowing the opening of an anonymous account using the anonymous means of payment acquired by the Customer includes the sub-steps consisting, for the Payment Server, in: o the reception of the means of payment and the verification the validity of the latter, o the creation of an anonymous account for the Customer on the basis of the information provided by the means of payment, said account being credited with the desired amount, o sending a code to the Customer allowing him to use the anonymous account created to make an online purchase on Merchant Sites (SM).
- SM Merchant Sites
- the step consisting in allowing the use of the anonymous account to make purchases on line on Merchant Sites, and in carrying out the management of this account includes the sub steps consisting, for the Payment Server, in o anonymous authentication of the Customer using the code provided by the Payment Server when opening the account, o debiting the anonymous account of the Customer, o redirecting the Customer to the paid pages of the Merchant Site or sending to the Merchant Site an agreement for payment.
- the invention also relates to an Anonymity Server able to offer a Client the online acquisition of an anonymous means of payment, characterized in that said acquisition is carried out on the basis of a protocol which does not allow the Server to '' Anonymity of connecting the means of payment to the Client, and in that said anonymous means of payment includes data necessary for a Payment Server to be able to open an anonymous account using the anonymous means of payment, and performs the management of this account, said anonymous account making it possible to make online purchases on Merchant Sites anonymously.
- Anonymity Server Preferred but non-limiting aspects of the Anonymity Server are:
- the invention also relates to a Payment Server, characterized in that it is suitable for opening an anonymous online account using an anonymous means of payment acquired online by a Client from an Anonymity Server, said acquisition being carried out on the basis of a protocol which does not allow the Anonymity Server to link the means of payment to the Client, and to manage said anonymous account, said anonymous account making it possible to make online purchases on Merchant Sites anonymously.
- Preferred but non-limiting aspects of the Payment Server are that it includes:
- - Means suitable for receiving a means of payment and means capable of verifying the validity of the means of payment - Means suitable for creating an anonymous account for the Client on the basis of the information provided by the means of payment, said account being credited with the amount indicated on the payment method.
- - Means capable of anonymously authenticating the Client wishing to use his anonymous account to carry out an online purchase Means capable of debiting the anonymous account of the Client, - Means capable of redirecting the Client to the paid pages of the Merchant Site or means capable of sending the Merchant Site an agreement for payment.
- the invention also relates to an anonymous and secure online payment system usable by a Customer from a fixed or mobile telecommunications terminal, characterized in that it comprises the following entities:
- Anonymity Server offering the online acquisition of an anonymous payment method, said acquisition being carried out on the basis of a protocol that does not allow the Anonymity Server to link the payment method to the Customer
- An entity called Payment Server adapted to open an anonymous account using the anonymous payment method, and manage this account, said anonymous account making it possible to make online purchases on Merchant Sites anonymously.
- Preferred but non-limiting aspects of the anonymous and secure online payment system are:
- FIG. 1 shows diagrammatically the steps implemented in the process according to the present invention
- - Figure 2 schematizes in more detail the first step of the method of the present invention consisting in the purchase of a ticket
- - Figure 3 is a representation of a ticket used in the method according to the present invention
- - Figure 4 schematizes in more detail the second step of the method of the present invention consisting in opening an anonymous account
- - Figure 5 schematizes in more detail the third step of the method of the present invention consisting in the use of the anonymous account to make online purchases.
- An object of the present invention is to provide an anonymous and secure online payment method in which the customer is anonymous vis-à-vis the merchant site but also the organization by which he obtains his means of payment.
- the invention is based on partially blind signature schemes with revocable anonymity.
- a signature within the meaning of the present invention is an electronic signature. It has the same functions as a handwritten signature. Indeed, an electronic signature allows the receiver of a message to ascertain the identity of the signatory of the message and also their willingness to adhere to the signed message.
- a blind signature scheme is a public key cryptographic protocol allowing an entity to sign a message without knowing either the message or the signature delivered.
- the signatory must be incapable, after the fact, of knowing link the message, the signature and the person to whom he provided this signature (assuming that he made a certain number).
- the difference between a blind signature scheme and a partially blind signature scheme is that when the signature is said to be partially blind, it means that the signatory is aware of part of the message, the rest being hidden from him.
- a third entity often called a judge, and a revocation protocol between the signatory and the judge allowing the judge to lift anonymity from information provided by the signatory. .
- revocation protocols There are two types of revocation protocols, depending on the information the judge receives from the signatory: - type 1 revocation: using information exchanged during the signing protocol between the signatory and the user and issued by the signatory, the judge gives the information which allows the signatory to find the message and the signature, - type 2 revocation: using the message and the signature, the judge allows the signatory to find the user or the part of the protocol corresponding to the signature.
- Marchand SM an Anonymity Server SA and an SdP Payment Server.
- Client C is an entity that wishes to access paid online services, by paying anonymously, and without having to provide their bank card number.
- the Marchand SM site is an entity which offers Client C access to paid online services.
- the SM Merchant Site is for example a website. These services can be of various nature such as: sending SMS, access to paid information (weather, %), payment of right of access or use of images (copyright, ...) or other paid services such as those offered on gaming sites and dating sites.
- the Anonymity Server SA is an entity which authenticates the
- a virtual ticket is a means of payment. This means of payment is anonymous, that is to say it does not include any personal information on Client C. It is an electronic voucher including an amount, a validity date, and a signature. The amount indicated on the ticket corresponds to an amount paid by Client C to the Anonymity Server SA when the ticket was created. A ticket is therefore an anonymous means of payment corresponding to a receivable.
- the Anonymity Server SA can be any entity having the means to verify the identity of Client C.
- the Anonymity Server SA can for example be the Internet access provider (ISP) of Client C.
- the SdP Payment Server is an entity which manages an anonymous account for Client C.
- An anonymous account consists of an account where all of Client C's transactions with SM Merchant Sites are referenced, but where the identity of Client C is unknown.
- SdP Payment Server creates anonymous Client account
- Step 10 of purchasing the ticket online involves Client C and the
- Anonymity SA server The client authenticates with the Server Anonymity SA and chooses the amount he wants on his ticket.
- Step 20 of opening the anonymous account involves the Client
- Step 30 of using the account to make online purchases involves Client C, the SdP Payment Server and a Site
- This step 10 consists of Client C purchasing an online ticket from the Anonymity Server SA.
- Client C authenticates with the Anonymity Server SA and tells him the amount he wishes to have on his ticket.
- the client transmits for example his name, the organization that manages his account, and his account number.
- the Anonymity Server SA verifies that Client C is creditworthy of the amount with the online site of the organization which manages Client C's personal account (for example Client C's personal bank, Client's Internet service provider C, or any other organization that may invoice the Customer C). If this is the case, the personal account of the
- Client C is debited.
- the Anonymity Server SA and the Client C use, in a known manner, techniques for securing client-server communications (for example SSL v3.0) which are based on public key cryptography algorithms.
- a partially blind signature protocol with revocable anonymity is used by Client C and the Anonymity Server SA, so that Client C obtains a signed ticket from the Server Anonymity SA without it knowing its signature (see documents [CMS96, CMS97, dST98a, dST98b, FTY96, FTY98] for examples of blind signature schemes with revocable anonymity).
- the ticket is therefore generated and then signed and sent by the Anonymity Server to Client C. This is step 13 in Figure 2.
- the signature obtained acts as the serial number of the ticket.
- the partially blind signature protocol using randomness on the client and server side two tickets having the same properties will obtain two different signatures.
- only Client C knows this signature because it calculates it at the end of the partially blind signature protocol from the data received by the Anonymity Server SA.
- the Anonymity Server SA therefore sends to Client C the signed ticket generated without knowing the signature, or serial number, of this ticket (and therefore without the possibility of being able to link the ticket to the client).
- the ticket 50 comprises an amount 51, a validity date 52, an order 53, and a signature 54.
- the amount 51 corresponds to a sum of money that Client C has communicated to the Server of Anonymity SA during step 10 of purchasing the ticket.
- the validity date 52 corresponds to the period during which this ticket 50 is valid.
- Order 53 corresponds to information on the identity of the SdP Payment Server with which Client C wishes to open an anonymous account.
- Signature 54 is the encrypted fingerprint generated by the Anonymity Server SA. It is a number corresponding to the serial number of the ticket. This signature is unknown to the Anonymity Server SA. Ticket 50 therefore does not present any personal information about Client C. Furthermore, the fact that the Anonymity Server does not know the signature (or serial number) of the ticket prevents it from being able to link a ticket to its owner. Client C will be anonymous when he uses his ticket 50 to open an account with the SdP Payment Server.
- FIG. 4 illustrates in more detail the second step 20 of the method.
- This step 20 consists for Client C in using his ticket 50 to open an anonymous account with the SdP Payment Server.
- Client C sends to the Payment Server SdP, possibly during a different session, his virtual ticket 50, consisting of an amount 51, a validity date 52, an order 53, and the signature 54 of the Anonymity SA server.
- This is step 21 illustrated in FIG. 4.
- the Payment Server SdP verifies that the ticket 50 has not already been used using a list of used tickets, that the signature 54 is valid and emanates of the Anonymity Server SA from the public key of the anonymity SA server, and that the expiration date 52 of the ticket 50 is not exceeded.
- This is step 22 in Figure 4. If everything is in order, it opens an anonymous account for this ticket
- FIG. 5 illustrates in more detail the third step 30 of the method.
- This step 30 consists for Client C in using his anonymous account to make online purchases from a Merchant Site SM.
- Customer C needs to pay on an SM Merchant Site, and wishes to remain anonymous, he chooses to pay using his anonymous account.
- the Merchant Site redirects Client C to the SdP Payment Server.
- the Client authenticates anonymously using his code to the Payment Server SdP which debits his anonymous account.
- the Payment Server SdP then refers Client C to the paid pages of the Merchant Site SM or sends the Merchant Site its agreement for payment. This is step 34 in Figure 5.
- the protective field of the present is not limited to the elements described above but also includes any method of improving the present.
- the clear part of the ticket must consist of the amount that Client C wishes to pay on said ticket.
- the hidden part of the ticket may contain the SdP Payment Service with which Customer C wishes to open an account.
- the clear part of the ticket may also contain information entered by the Anonymity Server (for example age group, gender, ...) used by the Payment Server to offer services such as parental control or provide statistics on the use of Merchant Sites.
- CMS96 J. Camenisch, U. Maurer, M. Stadler. Digital payment Systems with passive anonymity-revoking trustées. Proceedings of ESORICS'96, volume 1146 of LNCS, pages 33-43. Springer-Verlag, 1996.
- CMS97 1 Camenisch, U. Maurer, M. Stadler. Digital payment Systems with passive anonymity-revoking trustées. Journal of computer Security, vol. 5, IOS Press, 1997.
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- Engineering & Computer Science (AREA)
- Accounting & Taxation (AREA)
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- General Physics & Mathematics (AREA)
- Finance (AREA)
- Theoretical Computer Science (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Development Economics (AREA)
- Economics (AREA)
- Technology Law (AREA)
- Marketing (AREA)
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- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/596,778 US7630927B2 (en) | 2004-05-18 | 2005-05-17 | Anonymous and secure internet payment method and mobile devices |
EP05773000A EP1754205A1 (fr) | 2004-05-18 | 2005-05-17 | Procede de paiement anonyme et securise sur internet et mobiles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0405402A FR2870656A1 (fr) | 2004-05-18 | 2004-05-18 | Procede de paiement anonyme et securise sur internet et mobiles |
FR0405402 | 2004-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005124708A1 true WO2005124708A1 (fr) | 2005-12-29 |
Family
ID=34947626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2005/001228 WO2005124708A1 (fr) | 2004-05-18 | 2005-05-17 | Procede de paiement anonyme et securise sur internet et mobiles |
Country Status (4)
Country | Link |
---|---|
US (1) | US7630927B2 (fr) |
EP (1) | EP1754205A1 (fr) |
FR (1) | FR2870656A1 (fr) |
WO (1) | WO2005124708A1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US7814119B2 (en) * | 2004-03-19 | 2010-10-12 | Hitachi, Ltd. | Control of data linkability |
IL165927A0 (en) * | 2004-12-22 | 2006-01-15 | Tour Mat Electronic System Ltd | System for organising customer queues |
US8874477B2 (en) | 2005-10-04 | 2014-10-28 | Steven Mark Hoffberg | Multifactorial optimization system and method |
US20080076528A1 (en) * | 2006-09-08 | 2008-03-27 | Igt | Instant anonymous account creation |
WO2008113951A2 (fr) * | 2007-02-28 | 2008-09-25 | France Telecom | Procede d'authentification unique d'un utilisateur aupres de fournisseurs de service |
US8423457B1 (en) | 2009-04-13 | 2013-04-16 | Amazon Technologies, Inc. | Anonymous mobile payments |
EP2323085A1 (fr) * | 2009-11-16 | 2011-05-18 | Scheidt & Bachmann GmbH | Système de billetterie |
US20110119190A1 (en) * | 2009-11-18 | 2011-05-19 | Magid Joseph Mina | Anonymous transaction payment systems and methods |
US20110153411A1 (en) * | 2009-12-23 | 2011-06-23 | Kenshoo Ltd. | Method and system for identification of an online purchase without notification of making the purchase |
US8635159B1 (en) * | 2010-03-26 | 2014-01-21 | Bank Of America Corporation | Self-service terminal limited access personal identification number (“PIN”) |
US20150269542A1 (en) * | 2011-07-26 | 2015-09-24 | Howard B. Katz | Secure and Unsecured Cash Transfer System and Method |
US8714445B1 (en) * | 2011-07-29 | 2014-05-06 | Howard B. Katz | Secured and unsecured cash transfer system and method |
CN105931147A (zh) * | 2015-12-30 | 2016-09-07 | 中国银联股份有限公司 | 一种基于广播式自服务技术的门票购买方法及系统 |
CN106327631A (zh) * | 2016-08-16 | 2017-01-11 | 柳州市旭邦科技有限公司 | 一种基于手机支付平台感应门控制系统及方法 |
CN106572269B (zh) * | 2016-11-15 | 2019-04-19 | 南宁市浩发科技有限公司 | 一种车站等车呼叫系统 |
CN110378690B (zh) * | 2019-06-13 | 2022-05-27 | 北京航空航天大学 | 一种基于匿名安全支付通道的交易方法及装置 |
US11113685B2 (en) * | 2019-12-23 | 2021-09-07 | Capital One Services, Llc | Card issuing with restricted virtual numbers |
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US7203315B1 (en) * | 2000-02-22 | 2007-04-10 | Paul Owen Livesay | Methods and apparatus for providing user anonymity in online transactions |
US20030158960A1 (en) * | 2000-05-22 | 2003-08-21 | Engberg Stephan J. | System and method for establishing a privacy communication path |
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2004
- 2004-05-18 FR FR0405402A patent/FR2870656A1/fr not_active Withdrawn
-
2005
- 2005-05-17 EP EP05773000A patent/EP1754205A1/fr not_active Ceased
- 2005-05-17 US US11/596,778 patent/US7630927B2/en not_active Expired - Fee Related
- 2005-05-17 WO PCT/FR2005/001228 patent/WO2005124708A1/fr active Application Filing
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WO1999056254A1 (fr) | 1998-04-24 | 1999-11-04 | Claridge Trading One (Proprietary) Limited | Acces a prepaiement pour reseau d'informations |
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Also Published As
Publication number | Publication date |
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US7630927B2 (en) | 2009-12-08 |
US20080052227A1 (en) | 2008-02-28 |
EP1754205A1 (fr) | 2007-02-21 |
FR2870656A1 (fr) | 2005-11-25 |
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