596 results about "Electronic contracts" patented technology

An electronic media distribution system which facilitates the distribution of media to consumers over a network, such as the Internet, while achieving commercial business objectives and protecting the intellectual property rights associated with the media being distributed. The system provides the infrastructure and support for various market participants to engage in buying, selling, finding and distributing music. The system provides an interface for consumers to locate, access and receive musical content over the Internet. The system facilitates continued control over the musical content sent to consumers by dynamically enforcing retailer agreements and restrictions governing the purchase, use, and distribution of the content. The system also provides a service to retailers and distributors in assisting with the management of sales and distribution of music over the Internet. Specifically, the system certifies and distributes retail offers for the content where the offers are dynamically updated by electronic contracts between the retailers and distributors of the music.

A transaction automation and archival system is provided for controlling, real-time logging, and archiving complex commercial transactions such as the purchase and financing of an automobile. The heart of the system is an electronic contract disclosure unit, or ECDU. The ECDU includes a digitizing display that includes a video display for imaging to participants the various documents involved in the transaction and a digitizer for allowing participants to sign, indicate choices, and otherwise interact directly on documents and images presented on the display. A computer controls the entire progress of the transaction, and thus controls the collaborative space occupied by the participants to the transaction. The computer, for instance, controls the order of presentation of documents to a vehicle purchaser, receives the purchaser's signature on the displayed documents when required, offers choices of various packages that can be accepted or declined by the purchaser, and insures that the entire transaction is carried out properly. The ECDU further logs the transaction for future review and preferably includes a video camera and microphone for logging images and sounds of the participants during the transaction. One or more fingerprint readers are associated with the digitizing display for allowing participants to select between options by pressing their thumb or finger on the reader, which simultaneously verifies the identity of the individual making the selection through the fingerprint.

An automated internet based exchange system is described for controlling the exchanging of ownership interests in objects on a secondary market. The automated exchange includes one or more sub-exchanges for maintaining information representative of secondary market transactions and for controlling said transactions. The automated exchange includes a secondary portfolio auction sub-exchange, a pricing and valuation services sub-exchange, an electronic contract negotiation services sub-exchange and a delivery and auditing service sub-exchange. The automated exchange also includes a logic switch manager that creates opportunistic auctions from a transaction for a product or service so as to trigger further auctions or service sales on the same or different secondary markets.

The invention discloses a block chain technology-based electronic intelligent signing payment method and belongs to the technical field of electronic contracts. A device for implementation of the block chain technology-based electronic intelligent signing payment method comprises a public payment block chain layer, an intelligent contract platform layer, a contract creating layer and a contract signing layer; an electronic contract signing link can be effectively integrated with an electronic contract performing (payment) link, and an intelligentization and automation degree of businesses related to electronic contacts can be improved; according to the block chain technology-based electronic intelligent signing payment method, block chain technologies are introduced as an underlying technology, payment flows are unified, and complexity can be lowered; via greater self-maintenance and safety improvement of the block chain technologies than that of other payment means, usability and user experience of whole electronic contract businesses can be improved.

The invention provides an electronic document signing method based on a block chain and an intelligent contract. A service platform server CS, a plurality of block chain node servers TS and a plurality of block chain intelligent contract script servers JSs are adopted, wherein the service platform server CS is used for accepting the user access and providing data interaction, the CS communicates with the block chain node servers TS, each TS communicates with the corresponding JS, the databases of the JS keep data synchronization. The electronic document signing method is proposed based on the technical application of the block chain, and the problem of ensuring the electronic contract signing reliability from the technical aspect is solved without depending on a specific credible main body by means of the decentration idea of the block chain and in combination with the distributed account book and the intelligent contract mechanism.

The invention discloses a block chain evidence-based electronic contract system signing method. The method comprises the following steps of: creating an electronic contract on an electronic contract platform by a user or uploading an existing electronic contract to the electronic contract platform, and signing the electronic contract by using an event certificate issued by a CA; recording information of each key point in a contract signing process of the user and event occurrence time points to a block chain evidence platform by the electronic contract platform; and extracting the information from a node of a block chain evidence consortium chain by a notary office, decrypting the information by using a secret key of the user, obtaining specific information of contract signing, and notarizing the contract of the user. According to the method, the signing of electronic contracts is more convenient, the time and costs of the users are saved; a block chain evidence system technically ensures that the electronic contracts cannot be tampered; and the process information of contract signing also can be recorded, so that the contract signing behaviors of the users can be restored.

An enterprise content management system such as an electronic contract system manages a large number of secure documents for many organizations. The search of these private documents for different organizational users with role-based access control is a challenging task. A content-based extensible mark-up language (XML)-annotated secure-index search mechanism is provided that provides an effective search and retrieval of private documents with document-level security. The search mechanism includes a document analysis framework for text analysis and annotation, a search indexer to build and incorporate document access control information directly into a search index, an XML-based search engine, and a compound query generation technique to join user role and organization information into search query. By incorporating document access information directly into the search index and combining user information in the search query, search and retrieval of private contract documents can be achieved very effectively and securely with high performance.

The method of gathering information within a social network of identities in which people or other identities have social relationships with one another, such as personal or business relationships, and each person has an identity account (101) containing information about that person. The identity accounts reside on identity servers (150A, 150B, 150N) connected by way of a computer network (110A, 110B, 110N). Information, such as address and telephone information, is held in each person's identity account (101). The identity accounts (101) can be queried based on the social relationships to find information. One person can query a second person's contact information. The second person can then query others known to that second person for the information. Electronic contracts embody agreements between the people in the social network, specify the terms and conditions for using data in the identity accounts, and can limit the information returned to the person making the query.

The invention discloses an electronic contract security system and method based on biological information identification, and relates to the technical field of computer information processing. In the prior art, electronic contracts can be tampered when the electronic contracts are handed to a third party to be saved, secrete keys generated by individual biological characteristics cannot be exactly the same, and exposure of characteristic information can be caused easily due to information matching and information extraction of different ways and methods. According to the electronic contract security system based on the biological information identification, encryption is carried out in the generated electronic contracts by using the biological information of applicants, identification card information of users are further overlaid to serve as the only authentication marks of the electronic contracts, time stamps are added to the electronic contracts, the electronic contracts are sent to a third party electronic security center for being saved and when clients need to have related services again or contract disputes appear, the secured electronic contracts are extracted from the electronic security center only by checking the biological characteristic information of the users and logging in an identification authentication server.

The invention discloses a tourism electronic contract digital storage system and a storage method based on a regional chain, which comprises an electronic contract signing system, an electronic contract service database, a block chain access interface, a distributed block chain network module and a signature storage system. The electronic contract signing system includes contract establishing module, contract changing module, contract approving module, tourist signing module and contract filing inquiry module. The signature storage system comprises a hash operation module, an electronic signature module, a block creation module and a block chain forensics module. Hash operation is carry out on that business data related to the electronic contract to form the hash value code certificate data; Signing and encrypting the generated hash value encoded certificate data combined with the operator private key of the related service; Distributed storage of hash value encoded certificate data iscarried out in the node of the area chain; The invention adopts the block chain technology, realizes the electronic management of the contract, realizes the zero loss of the electronic contract data,and ensures that the transmission process cannot be tampered with.

The electronic realty transaction system (ERTS) automates real estate processes and provides web-based accessibility to residential, commercial, and land markets. The system will provide a “one-stop-shop” for all real estate related transactions and will include a detailed tracking and history of customer transactions for the realtors. The system will provide the ability to charge, collect, and track payments for real estate related transactions. ERTS includes an electronic contract generator (ECG) that pulls information from multiple sources and automatically identifies end-user requests for services and ultimately enables a property request (i.e. contract) to be developed using auto populating techniques.

The invention discloses an electronic contract signing system based on a mobile phone client. The system comprises the mobile phone client and a service end. The mobile phone client is in wireless communicating connection with the service end. The service end comprises a contract management and storage module, a member automatic customization module, a contract creating module, a contact editing module, a signing module, a stamping module, an invitation module, a contract enclosure module, a sharing module and the like. The system further comprises a recording module, a negotiation chamber module and the like. According to the invention, individual users and unit users are separate through the member automatic customization module, units can have administrator accounts simply through registration once, employees do not have to perform registration individually, all the employees can use the system individually and sign contracts with clients independently, and through implementation of a "signing / stamping+recording" dual-guarantee mechanism, fake signing is prevented; and after the contracts are signed, the contracts are enclosed, locked and are automatically stored in a fragmentation manner, and thus security is ensured.

The custodial block chain network is a distributed network of systems, including at least a first entity system, a second entity system, and a custodian entity system, wherein the network allows the first entity to quickly, securely, and easily allocate resources associated with a first user, via an electronic contract stored in the block chain, from the first entity to a second user associated with a second entity. The custodian entity system provides, through the use of the network, resource pools for the first and the second entities, and holds allocated resources from the first entity system until acceptance of the electronic contract. Upon acceptance of the electronic contract, the resources are released by the custodian entity to the resource pool associated with the second entity allowing the second entity to provide the allocated resources to the second user.

The invention discloses a method and a system for fixing electronic evidence and a user identity by a blockchain, belongs to the technical field of information security and aims to solve the problem that the user identity, the electronic evidence and a contract text can not be solidified and bound through the blockchain. The method comprises the following steps that: (1) through an electronic evidence snapshot file, binding the following texts including the identity authentication recording text of a user, an authorized behavior evidence text and the text of an electronic contract or protocol; (2) utilizing the blockchain to bind and solidify the electronic evidence snapshot file; and (3) storing a block transaction ID (Identity), the electronic evidence snapshot file, the identity authentication recording text, the authorized behavior evidence text and the text of the electronic contract or protocol. The system structurally comprises a user identity acquisition unit, a user identity authentication unit, an electronic contract or protocol display unit, an electronic evidence acquisition unit, an electronic evidence processing unit, an electronic snapshot generation unit and a storage unit.

An operational platform for electronic contract management system includes a customer end and a server end mutually connected in network, in which, the server end includes: an electronic print center module, a contract template management center module and a user management center module mutually connected with the electronic contract management center module as the center, the customer end includes: a system manager module, an electronic contract manager module and an electronic contract user module mutually connected, the operation platform is completely based on the convenient and transparent network electronic contract solving plan, the electronic stamp is ciphered and integrated with intelligent key plates, the contract template is made dynamically by the template designer sawn and got according to the requirement of the user, the integrated cipher and digital waterprint cipher of the print of the enterprise, the personal print and handwriting signature guarantees the print un-fabricated.

A transaction automation and archival system is provided for controlling, real-time logging, and archiving complex commercial transactions such as the purchase and financing of an automobile. An electronic contract disclosure unit or ECDU includes a digitizing display that includes a video display for imaging to participants the various documents involved in the transaction and a digitizer for allowing participants to sign, indicate choices, and otherwise interact directly on documents and images presented on the display. A computer controls the progress of the transaction, controlling, for example, the order of presentation of documents to a vehicle purchaser, receiving signatures on the displayed documents, offering choices of various packages to the purchaser, and insuring that the transaction is carried out properly. The transaction is logged for future review which may include a video record. One or more fingerprint readers allow participants to select between options while simultaneously verifying the identity of the individual making the selection.

The invention discloses a variable-clause electronic contract automatic generation method in a business to customer (B2C) transaction. The method comprises the following steps of: establishing an electronic contract metadata model; establishing an electronic contract clause base by an application server of a B2C website; establishing an object clause ruler base and a clause rule checker; automatically generating an electronic contract template through the electronic contract metadata model, adding clauses, clause labels and set public required clauses in the electronic contract clause base into the electronic contact template, setting a variable of the electronic contract template, and storing the electronic contract template after checking clause variables; automatically generating an electronic contract according to the electronic contract template; and performing signature authentication on the electronic contract, and transmitting the electronic contract subjected to the signature authentication. By the method, the contract template can be supplied, and variable clauses in the electronic contract are compatible.

The invention discloses an identity authentication based electronic contract internet signing method, which can complete electronic contract signing and storing reliably and efficiently. The electronic contract internet signing method comprises the steps of (1) initiating a contract; (2) authenticating the identity of a signer, wherein the signer places a 2nd-generation identity card on a 2nd-generation identity card reader, inputs an authentication code and uploads a photo which is taken by networking equipment provided with a camera in real time so as to carry out identity authentication; (3) scanning a two-dimensional code of the electronic contract by using a networking intelligent terminal capable of scanning two-dimensional codes and signing after the signer passes the identity authentication, and getting into a page of the electronic contract; (4) judging whether the contract requires to fill in attachment content or not, if so, filling in an attachment, storing the attachment and executing a step (5), and if not, directly executing the step (5); (5), confirming the contract; (6) signing manually by the signer; and (7) signing the contract by the business personnel, and storing the signed contract to a third-party certificate storing system.

The invention discloses an electronic contract signing method based on the internet. After a user registers information, a signing request is initiated; a contract text is directly uploaded to a server for text deposition; the server targets to a notarization and deposition platform; the notarization and deposition platform sends the deposited text contract to a signing platform for signing; a contrast receiver is informed of the singing by the signing platform; after confirming the signing, the receiver skips to the notarization and deposition platform for verification; after the verification is successful, the receiver returns to the signing platform for signing; and filing is carried out. According to the method provided by the invention, the signing platform and the notarization and deposition platform are separated; because of the intervention of a notarization mechanism, the original two-party relationship is changed into a three-party relationship; the data exchange generated by the signing behavior of the user is no longer generated between the user and the signing platform and is deposited by the third party notarization and deposition platform in real time; the three parties cooperate mutually and restrict mutually; and the user rights and interests are ensured.

The invention relates to an electronic contract off-line signing method based on a trusted third party. According to the electronic contract off-line signing method based on the trusted third party, an electronic signature digital certificate, a user private key and a contract proof public key are obtained from the trusted third party by a user; then, the Hash digest value of the electronic contract is calculated; the Hash digest value is subjected to encryption operation by the user private key and the proof public key; an encryption result is two strings of key sequences; finally, the key sequences and the digital certificate watermark of a signer are embedded into a signature picture; then signature picture embedded with the watermark is stamped to an electronic contract document. According to the electronic contract off-line signing method based on the trusted third party, which is disclosed by the invention, the requirement on the contract signing platform safety in the contract signing process can be favorably lowered, and the contract signing platform can finish the electronic contract signing process only by taking the responsibilities of approving and putting to the proof to the electronic signature without damaging the safety.

A contracting method and system are arranged to obtain description data in which a description content presented by one of the concerned parties with a contract to the other is built or data for specifying the description content before the concerned parties make an electronic contract for provision of a commodity or service (contract data creation signing process), generate contract data containing the description data or the specifying data (contract data creation signing process), and writing an electronic signature of both or either of the concerned parties with the contract data (contract data creation singing process and contract data signing process).

The invention discloses an electronic contract signing method and system. The method comprises the steps that an electron contract uploaded by a contract initiating end is received, and a timestamp of the current moment and an initial local electronic signature set based on the electronic contract are added in the electronic contract; the electronic contract is transmitted to a contract signing end, the electronic contract returned by the contract signing end is received, and the electronic contract returned by the contract signing end includes the timestamp of the signing moment added by the contract signing end and a signing side electronic signature set based on the received electronic contract; and the timestamp of the current moment and a final local electronic signature set based on the electronic contract returned by the contract signing end are added in the electronic contract returned by the contract signing end so as to complete signing. Signing of the electronic contract is realized by the signing mode of the timestamp and the electronic signature, and time information included in the timestamp has irreversibility so that effectiveness and anti-falsification of the content and all the signatures of the electronic contract can be effectively guaranteed.

The invention relates to a fingerprint digital certificate-based electronic contract signing method, which comprises the following steps that: each party of a contract is registered in a certificate authority (CA), and takes a fingerprint characteristic as a password; the CA generates a pair of public and private keys, and generates a digital certificate by using the public key and an account; the CA confirms the identity of each party of the contract, and issues the private key and the digital certificate; each party of the contract passes fingerprint verification at a user terminal, calls the private key to digitally sign the electronic contract, and transmits the electronic contract to the CA; the CA decrypts the signed electronic contract by using the public key, and confirms the legal identity of each party of the contract; the CA implants the electronic signature of each party of the contract into the electronic contract, and transmits the electronic contract to the user terminal of each party of the contract; and each party of the contract acquires the electronic contract into which the electronic signature of each party of the contract after passing the fingerprint verification at the user terminal. The CA and a user terminal system are adopted, and digital signature and fingerprint recognition technologies are combined, so that the security and confidentiality of the contents of the electronic contract and the signing process of the electronic contract are improved.

The invention provides a dependable preservation and evidence collection system and method for an electronic contract. In the preservation stage, the system obtains identity information and the electronic contract of a contract preservation side and preserves an electronic signature and a timestamp generated in a signature unit with at least one of the identity information of the contract preservation side, the electronic contract and generated running information in a corresponding mode through authentication of the identity information and by generating the electronic signature based on the electronic contract and generating the timestamp based on current dependable time. In the evidence collection stage, the system obtains an evidence request submitted by a proof side and including at least one of the running information, the electronic contract and the identity information, and a dependable electronic contract and contract preservation time can be provided for the proof side as evidence through authentication of the identity information of the proof side and by inquiring the corresponding electronic signature and the timestamp and verifying the corresponding electronic signature and the timestamp respectively.

The invention provides a business-to-business electronic contract signing system which is based on INTERNET and conforms with Electronic Signature Act and Contract Law thereof. The electronic contract signing system helps enterprises with supply-demand relations to rapidly sign a legal contract over the INTERNET; ensures the real identities of the enterprises signing the contract and the signed contract to be not modified at the same time, ensures the confidentiality and the legality of the signed contract during mutual transfer, and acts as a third party to provide the specific time at which the two enterprises sign the contract.

The invention discloses a smart block chain interconnected system, which is characterized in that value and agreement conversion can be performed between different block chain systems, between different traditional service systems and between a block chain system and a traditional service system; the smart block chain interconnected system comprises a cross-chain recording system and sub-nodes belonging to different block chain service systems and multiple traditional service systems; the sub-nodes have a consensus calculation function and a wallet function at the same time; when a sub-node receives an amount or a smart contract sent by other node of the service system thereof and a specified address of a specific service system, the sub-node arrives at the specified address using corresponding amount or equivalent smart contact sent by the corresponding sub-node of the specific service system according to a conversion rule, and the trading record correspondence is saved in the cross-chain recording system in an encrypted and distributed manner; the smart contact is a digital signature specifying one or more receivers, and the specified time range or specified verification code isused as an encrypted document, electronic contract or code of an execution condition.

The invention discloses a blockchain-based electronic contract evidence storage method, which comprises the following steps that: a contract initiator specifies a contract signer to upload a private key and initiates signing of a contract; according to the information of the joint signer, a signed contract notification message is sent to a contract receiver, and a certificate in the signing process of the to-be-signed party is generated; the contract receiver completes contract signing; it is determined that the joint signers complete signing, and when the plurality of signers complete signing, signed contracts are stored to the blockchain system; the block chain records the certificates in all the generated electronic contract data processes; two parties of the contract can upload a contract file, and contract content is stored in the block chain; according to the transaction hash value, the two parties can check and verify one stored contract content to judge whether the stored contract content is changed by the village or not. Through the steps, the whole process from signing to checking of the contract is recorded in the block chain system, and the electronic contract can not be tampered.

The invention provides an electronic contract signing method and platform, computer equipment and a storage medium, and relates to the technical field of communication, and the method comprises the steps: carrying out the first identity verification of a contract signing initiating terminal, and adding the contract signing initiating terminal into a contract signing negotiation room after the first identity verification is successful; performing second identity authentication on the contract signing participation terminal, and adding the contract signing participation terminal into a contractsigning negotiation room after the second identity authentication is successful; The method comprises the steps of generating an electronic contract and a contract signing electronic certificate, performing contract authentication on an electronic contract signing file, generating an effective contract if the contract authentication is successful, generating a block based on the effective contract, and storing the block in a block chain. According to the method, the platform, the computer equipment and the storage medium, identity reality and safety of interaction data in the contract signingperiod can be guaranteed, authentication information and contract information are stored through the block chain, information tampering can be prevented, and reliability and safety of electronic contract signing are effectively guaranteed.

The invention provides a digital contract comprising a sealed package comprising: a header package comprising: rules defining any sealed packages to be included in said contract; a validating party who is to validate said header package; and a sealing party who is to seal said package; a body containing at least a portion of the content of the package; and a validating signature generated from said rules and said body according to a first key belonging to said validating party; any sealed packages defined in said rules; and a sealing signature generated from said header package and any of said sealed packages according to a first key belonging to said sealing party. Further provided is contract management software for generating, validating, exchanging and managing such contracts.