| 7043760 |
System and method for establishing and managing relationships between pseudonymous identifications and memberships in organizations |
| May-9-2006 |
A system and method for bonding a pseudonymous identity to an organization to provide assurance that a user claiming to be a member or representative of the organization may anonymously post messages or... |
| 7039616 |
Method for proof of transaction |
| May-2-2006 |
A method for proof of the time and content of transactions in a digital network is described. A digital form is requested by a customer's computer (1) and is transmitted from a bid server (3)... |
| 7013295 |
Tagged private information retrieval |
| Mar-14-2006 |
Purchase of information items from a merchant over the Internet or other network is implemented so as to ensure that the merchant is unable to identify the particular information item(s) purchased by a... |
| 7006999 |
Method for enabling privacy and trust in electronic communities |
| Feb-28-2006 |
A method for enabling privacy and trust in electronic communities is disclosed. A major impediment to using recommendation systems and collective knowledge for electronic commerce is the reluctance of... |
| 7003501 |
Method for preventing fraudulent use of credit cards and credit card information, and for preventing unauthorized access to restricted physical and virtual sites |
| Feb-21-2006 |
A method and a system for enabling secure authentication of a user in a computerized card access transaction. A card, identified by an identification number is issued to the user, containing software for... |
| 7003500 |
Retail point of sale (RPOS) apparatus for internet merchandising |
| Feb-21-2006 |
The present invention is an apparatus for the money transactions required in the selling of merchandise or media content on the Internet and uses at least one in-person contact with the buyer. A predefined... |
| 7003499 |
Service activation by virtual prepaid card |
| Feb-21-2006 |
In order to prevent the use of a virtual prepaid card illegitimately acquired and transmitting only one identification code, for example read after the card has been scratched, to a service provision server,... |
| 7003497 |
System and method for confirming electronic transactions |
| Feb-21-2006 |
Systems and methods for providing user-confirmation of an electronic transaction and in particular, protocols for enabling electronic signatures and confirmation of electronic documents and transactions... |
| 6990470 |
Method and system for conducting secure payments over a computer network |
| Jan-24-2006 |
A secure method of conducting an electronic transaction over a public communications network is provided which utilizes a pseudo-expiration date in the expiration date field of an authorization request.... |
| 6983379 |
Method and system for monitoring online behavior at a remote site and creating online behavior profiles |
| Jan-3-2006 |
A method and system for monitoring users on one or more computer networks, disassociating personally identifiable information from the collected data, and storing it in a database so that the privacy of... |
| 6980970 |
Secure networked transaction system |
| Dec-27-2005 |
A method and system for approval by a verification computer of an online transaction between a user computer and a merchant computer over the Internet. The user computer transmits a transaction request... |
| 6959388 |
Method for generating many-time restrictive blind signatures |
| Oct-25-2005 |
A multiple use ticket generating method is disclosed which enables a recipient to obtain signatures for arbitrarily many (correctly formed) messages after only one interaction with the signer. The method... |
| 6959281 |
Digital computer system and methods for conducting a poll to produce a demographic profile corresponding to an accumulation of response data from encrypted identities |
| Oct-25-2005 |
Computer-aided methods (making and using), along with a corresponding machine, article of manufacture, and data structures, is provided for conducting a poll with high reliability to produce a demographic... |
| 6938022 |
Method and apparatus for facilitating an anonymous information system and anonymous service transactions |
| Aug-30-2005 |
An information system (12) for storing personal information of a customer (20) is provided herein. The customer (20) preferably communicates with the information system (12) using... |
| 6915279 |
System and method for conducting secure payment transactions |
| Jul-5-2005 |
In a secure electronic payment system, authentication data is sent from a payment account issuer to user software operated by a purchaser. The user software sends the authentication data to a merchant... |
| 6856976 |
Secured commercial transaction |
| Feb-15-2005 |
A system and method for transferring an encrypted file over the Internet involves a seller, a buyer, and a transaction agent. First, the seller creates a file for publication on the Internet. This file... |
| 6853987 |
Centralized authorization and fraud-prevention system for network-based transactions |
| Feb-8-2005 |
A system and method for authorizing certain aspects of network based transactions between a customer and a merchant is disclosed. The system utilizes an account code for identifying rights to use an account... |
| 6851049 |
Method and apparatus for facilitating secure anonymous email recipients |
| Feb-1-2005 |
One embodiment of the present invention provides a system that facilitates secure transmission of an email message to anonymous recipients without divulging the identities of the anonymous recipients.... |
| 6839692 |
Method and apparatus to provide secure purchase transactions over a computer network |
| Jan-4-2005 |
A method and structure for providing secure credit facility transactions for purchasing goods and services over a computer network such as the Internet that stores user's privileged information and other... |
| 6834272 |
Privacy preserving negotiation and computation |
| Dec-21-2004 |
A method for secure multi-party function evaluation with a non-limiting application to the holding of auctions. The outcome of an auction can be determined by an auctioneer without learning any information... |
| 6757719 |
Method and system for data transmission between wearable devices or from wearable devices to portal |
| Jun-29-2004 |
Techniques and approaches that facilitate acquisition, transmission or retrieval of data for wearable devices are disclosed. These wearable devices are electronic devices, such as mobile computing devices... |
| 6748367 |
Method and system for effecting financial transactions over a public network without submission of sensitive information |
| Jun-8-2004 |
A method and system for effecting a financial transaction over a public network without the submission of sensitive information. The system comprises a common controller in data communication with at least... |
| 6676017 |
Personal interface device and method |
| Jan-13-2004 |
A personal device is provided. The personal device includes an identification verification system that receives first identification data from a physical identification device, such as by inserting a driver's... |
| 6675153 |
Transaction authorization system |
| Jan-6-2004 |
A method and apparatus for authorizing a transaction between a consumer and a merchant over a network where the anonymity of the consumer with respect to the merchant is maintained while still validating... |
| 6532451 |
Nested strong loader apparatus and method |
| Mar-11-2003 |
An apparatus and method provides one or more controlled, dynamically loaded, modular, cryptographic fillers. Fillers may be loaded by a single loader, multiple independent loaders, or nested loaders. Loaders... |
| 6529886 |
Authenticating method for an access and/or payment control system |
| Mar-4-2003 |
This invention relates to an authentication process with an access control and/or payment system that maintains anonymity of the customer towards a third party, characterized in that a single-directional... |
| 6446052 |
Digital coin tracing using trustee tokens |
| Sep-3-2002 |
A system and method for obtaining traceable anonymous digital cash from a bank using a trustee as a trusted third-party. A user establishes her identity with the trustee using a secret known by the user.... |
| 6389536 |
Device for verifying use qualifications |
| May-14-2002 |
Authentication is performed at a high speed even in a device with small CPU power and memory. A challenge information computation unit of a verification instrument generates a random number and transfers... |
| 6292895 |
Public key cryptosystem with roaming user capability |
| Sep-18-2001 |
A public key cryptosystem with roaming user capability within a network that allows secure communication between users of the system, client machines, and encryption servers. A client machine generates... |
| 6209100 |
Moderated forums with anonymous but traceable contributions |
| Mar-27-2001 |
A method for moderating forums with anonymous but traceable contributions, comprising the steps of: establishing and conducting a moderated forum; receiving from any anonymous contributor an anonymous... |
| 6157920 |
Executable digital cash for electronic commerce |
| Dec-5-2000 |
The invention provides techniques for implementing secure transactions using an instrument referred to as "executable digital cash." In an illustrative embodiment, a first user generates a piece of digital... |
| 6154543 |
Public key cryptosystem with roaming user capability |
| Nov-28-2000 |
A public key cryptosystem with roaming user capability within a network that allows secure communication between users of the system, client machines, and encryption servers. A client machine generates... |
| 6092051 |
Secure receipt-free electronic voting |
| Jul-18-2000 |
A number-theoretic based algorithm provides for secure receipt-free voting. A vote generating center generates a choice of votes for each voter or vote chooser. The votes are encrypted, shuffled, and conveyed... |
| 6029150 |
Payment and transactions in electronic commerce system |
| Feb-22-2000 |
A method of payment in an electronic payment system wherein a plurality of customers have accounts with an agent. A customer obtains an authenticated quote from a specific merchant, the quote including... |
| 6026163 |
Distributed split-key cryptosystem and applications |
| Feb-15-2000 |
A distributed split-key cryptosystem and application in a public-key setting wherein each of a plurality of trustees independently selects his own secret-public key pair. The trustees combine their public... |
| 6023510 |
Method of secure anonymous query by electronic messages transported via a public network and method of response |
| Feb-8-2000 |
A method for secure anonymous querying by a user of an information provider by electronic mail and for obtaining a reply uses a public key of the provider to form an electronic encrypted query package... |
| 6021200 |
System for the anonymous counting of information items for statistical purposes, especially in respect of operations in electronic voting or in periodic surveys of consumption |
| Feb-1-2000 |
The system includes a plurality of decision units, at least one verification unit, and at least one counting unit, the units being functionally and structurally separate from each other. Each decision... |
| 6014646 |
Process for making a payment using an account manager |
| Jan-11-2000 |
The present invention relates to a process for making a payment using an account manager or kiosk, the process guaranteeing the payment of the supplier and the anonymity of the customer. A customer (U)... |
| 5995626 |
Electronic shopping method, electronic shopping system and document authenticating method relating thereto |
| Nov-30-1999 |
An electronic shopping method is provided by both an apparatus 10 and an apparatus 30 to hold a key K(A, C) in common, and both the apparatus 30 and an apparatus 40 to hold a key K(B, C) in common. The... |
| 5987440 |
Personal information security and exchange tool |
| Nov-16-1999 |
Utilization of the E-Metro Community and Personal Information Agents assure an effective and comprehensive agent-rule based command and control of informational assets in a networked computer environment.... |
| 5987138 |
Identification and/or signature process |
| Nov-16-1999 |
According to the invention, the secret key of the claimant is constituted by k numbers s.sub.1, s.sub.2, . . . , s.sub.k with a low public exponent. The verifier draws k numbers a.sub.1, a.sub.2, . . .... |
| 5961593 |
System and method for providing anonymous personalized browsing by a proxy system in a network |
| Oct-5-1999 |
For use with a network having server sites capable of being browsed by users based on identifiers received into the server sites and personal to the users, alternative proxy systems for providing substitute... |
| 5926548 |
Method and apparatus for implementing hierarchical electronic cash |
| Jul-20-1999 |
A user U generates a signature verification key N.sub.U, a signature key SS.sub.U and a cipher key K, enciphers (X,N.sub.U) by a public key into E.sub.I (X,K,N.sub.U) and sends the enciphered information... |
| 5924084 |
Method for tracing payment data in an anonymous payment system |
| Jul-13-1999 |
The invention relates to a method for tracing payment data in an anonymous payment system having electronic payment means, such as so-called "smart cards". According to the invention, the user commits... |
| 5901229 |
Electronic cash implementing method using a trustee |
| May-4-1999 |
In an electronic cash implementing method using a trustee, a user registers his identification information ID.sub.U and anonymous public key N with the trustee and receives a license (B,I). The user processes... |
| 5889862 |
Method and apparatus for implementing traceable electronic cash |
| Mar-30-1999 |
In a method for implementing traceable electronic cash, a user US sends a bank BK a product N of prime numbers P and Q, a prime number L and his real name ID.sub.U, and the bank BK generates a pseudonym... |
| 5878140 |
Limited-traceability systems |
| Mar-2-1999 |
Cryptographic methods and apparatus for payment and related transaction systems are disclosed that allow some kinds of tracing under some conditions and make substantially infeasible other kinds of tracing... |
| 5872844 |
System and method for detecting fraudulent expenditure of transferable electronic assets |
| Feb-16-1999 |
An electronic asset system includes tamper-resistant electronic wallets that store transferable electronic assets. To break such tamper-resistant wallets, the criminal is expected to spend an initial investment... |
| 5862223 |
Method and apparatus for a cryptographically-assisted commercial network system designed to facilitate and support expert-based commerce |
| Jan-19-1999 |
The present invention is an expert matching method and apparatus for managing communications between an expert having particular qualifications and an end user seeking a solution to an expert request.... |
| 5855018 |
Private information retrieval |
| Dec-29-1998 |
Method for retrieving data from a database, while assuring privacy, which comprises providing a database address for the data sought to be retrieved, generating at least two messages and communicating... |
