103 results about "Transaction security" patented technology

The invention discloses a data transaction security assessment method and system, and relates to the technical field of data security and intelligent assessment. The method comprises the steps of performing feature analysis on a data field, determining a sensitivity weight and generating a sensitivity vector; the fields are graded according to the sensitivity vectors, and dynamic adjustment is carried out in combination with transaction related information to obtain a grading result; calculating a data content risk, a field association risk, and a transaction environment risk based on the sensitivity feature set; determining a weight according to a transaction scene, and weighting various risks to obtain a comprehensive score; and judging the risk level according to the comprehensive score and a threshold value dynamically determined based on historical data. According to the invention, through hierarchical sensitivity modeling and dynamic risk calculation, fine-grained security assessment of different types and sensitivity data is realized, and the risk result can be adaptively adjusted along with changes of data contents, transmission paths and transaction environments, so that the accuracy, real-time performance and scene adaptability of assessment are improved, and the risk assessment efficiency is improved. The defects of a static evaluation method in the prior art are overcome.

The invention discloses an electronic ticket ordering and payment application system based on a block chain, relates to the technical field of block chains, and is used for ticket business whole-process digital management, and a user interaction module supports multi-terminal operation and information management; the block chain order management module is responsible for order chaining and state updating; the multi-mode payment module supports double-track payment and encrypted transmission; the comprehensive matching module is linked with the block chain order management module and comprises a meal subsystem, a tourism subsystem, a hotel reservation subsystem and the like, and the passenger ticket verification module realizes multi-mode verification; the data storage module stores key data; and the intelligent contract scheduling module automatically executes the pre-deployed contract. The problems that an existing system is poor in data safety, low in efficiency and insufficient in adaptability are solved, ticket transaction safety and process automation are improved, data synchronization is guaranteed, multiple languages and multiple currencies are supported, user privacy is protected, multiple scenes are adapted, and travel and supervision requirements are met.

The invention discloses a platform payment risk control method and system based on new retail e-commerce, and relates to the technical field of network transaction security control, and the method comprises the steps: collecting multi-dimensional data containing user credit data and transaction scene data in real time, building a risk control evaluation model through a machine learning algorithm, and carrying out the risk control evaluation model; the method comprises the following steps: performing weighted scoring on collected multi-dimensional data to obtain a user and transaction combination risk level, dividing the user and transaction combination risk level into a low risk level, a middle risk level and a high risk level, dynamically configuring risk control parameters according to different risk levels, performing real-time monitoring on a transaction whole process, and recording a transaction success rate and a fund safety rate after parameter adjustment. According to the method and the system, through online and offline fusion and data driving of new retail, dynamic adjustment can be performed in combination with user credit and transaction scenes, and the user experience is improved while transaction risk control is guaranteed.

The invention relates to the technical field of electric power security, and discloses a regional building group electric power transaction security guarantee system, which comprises the following modules: a trusted computing environment authentication module, a transaction data encryption and commitment module, an under-chain privacy computing and verification module, and a computing process certification and settlement module. According to the method, the algorithm hash value recorded in the program registry contract is combined with the remote authentication mechanism of the trusted execution environment, so that the traceability and verifiability of the under-chain computing environment are constructed. The system digitally signs a report containing an algorithm code hash value by using a hardware built-in private key, and submits the report to an on-chain contract for comparison, and the mechanism ensures that any under-chain privacy computing task is executed in a specified algorithm environment which is approved by block chain consensus and is not tampered with codes, so that the privacy computing efficiency is improved. The security risk caused by the untrusted computing environment or the non-compliance of the algorithm logic is completely eradicated from the source, and the basic guarantee is provided for the correctness of the subsequent computing result.

The invention relates to the technical field of digital media asset management, in particular to a digital media asset management method and system, which comprises the processes of metadata compliance tag injection, policy awareness mixed query and privacy affinity cache management. A cross-cloud query path is dynamically decided through an intelligent metadata gateway, double cloud caches are deployed in a hierarchical manner, and label consistency and copyright transaction security are ensured by using a block chain evidence storage module. According to the method, the global retrieval efficiency can be improved, the sensitive data cross-border transmission risk is reduced, illegal access and data leakage are effectively avoided, meanwhile, the high-frequency sensitive data retrieval performance is optimized by dynamically adjusting the cache strategy, and efficient cooperation of cross-layer events is achieved. The invention provides a digital media asset management method and a digital media asset management system, and aims to solve or at least alleviate the problems of low metadata retrieval efficiency and sensitive data cross-border transmission compliance risk coexistence in a mixed cloud environment.

A request associated with a blockchain transaction for a digital asset received. A determination is made that a crypto wallet holding the digital asset is associated with a transaction security option. A transaction authorization rule associated with the transaction security option is evaluated for verifying authorization for the blockchain transaction for the digital asset. Based on the evaluation of the transaction authorization rule, a determination is made whether to allow or deny the blockchain transaction for the digital asset.

Systems and methods are disclosed for a card device that integrates eSIM technology and Distributed Ledger Technology (DLT) to provide a secure, flexible solution for handling transactions across multiple financial institutions (FIs). The card system associates a single, secure eSIM-enabled card with multiple accounts and FIs, enhancing transaction security and efficiency. The card, embedded with an eSIM, allows dynamic association with customer details and FI accounts, ensuring each transaction is authenticated on a decentralized platform without sharing sensitive information. The system employs DLT for logging transaction details and managing transaction metadata centrally, providing fraud detection and real-time settlement capabilities. The invention improves security by using cryptographic methods and real-time monitoring including geo-locating of cards and clones to prevent unauthorized access and fraud, addressing the need for a secure, multi-institution financial transaction platform.

The application relates to the technical field of payment transaction security detection, and discloses an insurance online payment transaction security real-time detection method and system. The method comprises the following steps: acquiring macroscopic transaction features and microscopic dynamic data; generating user cognitive parameters through a cognitive dynamic model; fusing the macroscopic features and the cognitive parameters to construct a hybrid vector; mapping the hybrid vector to a potential field to calculate an instant risk value; calculating a risk trend based on vector changes and a potential field gradient; comprehensively detecting a security level based on the risk value and the trend index. The system comprises the following modules: a data acquisition module, a cognitive parameter generation module, a state vector construction module, a risk potential calculation module, a path trend analysis module and a risk level decision module. The application constructs a unified hybrid state vector, deeply fuses and integrally represents heterogeneous data from a macroscopic transaction environment and microscopic user behaviors, and solves the fundamental defects of the prior art in identifying complex risk patterns emerging due to cross-dimension feature coupling.

The invention discloses a virtual power plant electric energy transaction security processing method and system based on a block chain, and relates to the technical field of intelligent power grid industries, and the method comprises the steps: collecting operation data of distributed energy nodes through a sensing layer, encrypting the operation data through a communication layer, and uploading the operation data to a block chain control layer; deploying a distributed account book in a block chain control layer, and processing a transaction request through an intelligent contract; electricity price matching and real-time settlement are executed on a service layer; the electricity price matching constructs a transaction matching relation based on a minimum cost and maximum flow model and solves an optimal matching path, and a matching result is written into a block chain after consensus; the real-time settlement generates settlement data according to the scheduling time period, and identifies abnormal transactions; the multi-level security mechanism comprises node identity authentication based on a national secret asymmetric encryption algorithm; dynamically deriving a session key based on a national secret symmetric encryption algorithm; and separately storing the service data stream and the control instruction stream. The method supports a high-dynamic transaction scene, and has a full-chain credible guarantee capability.

The invention discloses a block chain fragmentation system error fragmentation security guarantee method and system, and the method comprises the steps: transmitting a request message to other nodes in an entrance fragment if a node is a node in the entrance fragment after a security guarantee trigger condition and a round trigger condition are satisfied, and determining a random fragment; after the leader node receives the request message with the preset proportion, a forwarding message is generated and sent to all nodes in the random fragment; after receiving the forwarding message of the leader node, the node in the random fragment generates a state message and feeds back the state message to the leader node; the leader node generates a new cycle message after receiving a preset proportion of consistent state message in the random fragment, and sends the new cycle message to all nodes in the entry fragment; and after receiving the new cycle message, the node in the entry fragment executes a conflict processing operation. According to the method, the situation that the security or activity of transactions in the fragments is threatened due to the fact that error nodes possibly exceed a threshold value in part of the fragments can be handled.

The invention discloses a micro-grid point-to-point electric energy transaction and power supply scheduling method based on a block chain in the field of micro-grid energy transaction and scheduling, and the method comprises the steps: constructing a decentralized transaction platform through the block chain, and integrating the supply and demand data of a distributed power supply, an energy storage unit and a load node; an electric energy value evaluation model and a dynamic scheduling priority algorithm are introduced to realize credible execution of point-to-point electric energy transaction and optimal configuration of power supply resources; a transaction settlement and scheduling instruction is automatically executed through an intelligent contract, and a real-time power balance constraint formula and a supply-demand matching degree calculation model are combined, so that the transaction security and the power supply stability are ensured. The decentralized transaction platform is constructed through the block chain, point-to-point direct transaction between the power generation node and the load node is realized, intervention of a centralized intermediary is not needed, the transaction process is simplified, trust loss and communication cost of an intermediate link are reduced, and energy value is accurately transmitted.

This application provides a blockchain-based power trading system. The system includes: acquiring power information; generating a seller's transaction document based on the power information and sending it to the blockchain for identity verification; acquiring user information; generating a buyer's transaction document based on the user information and sending it to the blockchain for identity verification; the buyer generating a random number and sending the random number to both the seller and a third-party platform; the seller generating a verification code based on the random number and sending it to the third-party platform; the third-party platform obtaining the decoded random number contained in the verification code and comparing it with the random number sent by the buyer for verification; if the verification passes, the seller's transaction document and the buyer's transaction document are merged to generate a power trading document, which is then sent to both the seller and the buyer, and the transaction is executed. This application achieves distributed data storage and tamper-proof information through blockchain verification and storage, thus improving transaction security.

Aspects of the present disclosure relate to transaction security techniques. In examples, a resource platform causes a set of executable verification instructions associated with an authorization processor to be executed by a user computing device. The verification instructions may be encrypted by the authorization processor for decryption by the user computing device. The verification instructions may generate verification information associated with the user computing device. In some instances, the verification information may be encrypted for decryption by the authorization processor. The encrypted verification instructions may be provided to the authorization processor (e.g., via the resource platform), such that the authorization processor may provide an indication to the resource platform as to whether the verification is verified. Accordingly, if the verification information is verified a transaction associated with the resource platform may proceed or, as another example, the user computing device may be granted access to information.

The invention discloses a data protection method based on a block chain and a multi-party computing technology in a rural e-commerce platform, relates to the technical field of rural e-commerce platform data protection, and is used for solving the problems of platform data privacy protection and transaction security. Through a multi-party security computing technology, security computing of platform data between participants is ensured; in combination with the block chain technology, the alliance chain is adopted to store calculation tasks and transaction historical records, and the data transmission integrity is ensured. And high-value and low-value users are determined, and reputation evaluation is carried out on the commercial tenants. The online condition and the transaction conversion rate of the platform user and the merchant are analyzed, the network coverage of the rural area is optimized, and the order matching and logistics path optimization of the platform under the unstable network condition are improved. Finally, the authenticity of the transaction information is ensured by using a block chain evidence storage technology, and the transaction transparency and security are ensured by adopting decentralized storage and digital signature. According to the scheme, the data security and the operation efficiency of the rural e-commerce platform are effectively guaranteed.

The embodiment of the invention provides a UWB-based highway free flow charging method and device, and the method and device achieve the precise positioning through the innovative design of a multi-base-station positioning network, time difference measurement and angle positioning. A vehicle track analysis system is constructed, and a reliable charging management mechanism is established in combination with identity verification. A transaction security policy is introduced, and user information security is protected through matching verification and encrypted transmission. According to the method, the levels of the traditional technology in the aspects of positioning precision, trajectory analysis and transaction security are effectively improved, and a technical guarantee is provided for highway toll collection.

The embodiment of the invention discloses an intelligent contract transaction backtracking verification method and device, electronic equipment and a readable medium. The method comprises the steps of obtaining a contract voucher sent by an intelligent contract operation management mechanism system, wherein the contract voucher comprises a contract instance identifier, input data called by a contract function, environment interface configuration information and a contract instruction execution sequence number; the contract vouchers are sorted and stored according to the contract instruction execution sequence numbers, and contract codes are acquired from the local according to the contract instance identifiers; the contract code is loaded in the contract execution environment, and environment interface configuration information is processed through simulation logic; contract calling is executed based on the input data, transaction backtracking is carried out on the contract vouchers in sequence, and the consistency of the execution result of transaction backtracking and the environment interface configuration information is verified. According to the embodiment of the invention, the transaction backtracking of the smart contract can be realized based on the contract voucher in the centralized system, thereby guaranteeing the traceability and non-tampering performance of the transaction, and improving the transaction safety.

The invention discloses a collection method and electronic equipment, and the method comprises the steps: adding a user order and a collection code to a mapping relation of an intelligent contract of a network under the condition that the user order and the collection code sent by a business system are received; performing uplink storage on the added mapping relation; distributing a collection address for the user order according to the smart contract; packaging the collection address and the collection code into collection information and sending the collection information to a service system; when it is monitored that an entry event exists in the collection address, the order state of a user order corresponding to a collection code is determined according to the collection code carried by the entry event and the mapping relation stored on the chain; under the condition that the order state of the user order is to-be-paid, verifying an entry event according to the acquiring information; and if the verification passes the order state of the mapping relation stored on the update chain, notifying the business system of successful collection. The method has the advantages and characteristics of improving the address reuse rate, solving the address reuse delay, ensuring the transaction safety and improving the account checking efficiency.

A merchant provisions a merchant provisioned token from a token service provider. The merchant sends a transaction authorization request, including the merchant provisioned token received from the token service provider to an alternate payment processor. The token service provider does not enforce the domain control restriction by indicating the merchant domain for which the merchant provisioned token was provisioned. The alternate payment processor validates a first set of token information received in the transaction authorization request with token reference information received form the token service provider. The alternate payment processor then indicates whether the token information on the transaction matches the token reference information. The card issuer and merchant may use this information to assist in their decisions to proceed with the transaction or decline the transaction.

This invention discloses a payment method, platform, terminal, and payment system based on digital currency, relating to the field of computer technology. One specific embodiment of the method includes: receiving a target payment request for a first digital currency in a frozen state, the first digital currency being generated based on a pre-payment request and a pre-configured pre-payment deposit smart contract; generating a second digital currency corresponding to the target payment amount according to the target payment amount indicated in the target payment request, the first digital currency, and the pre-configured pre-payment verification smart contract; and sending the second digital currency to a first account corresponding to the first digital currency. This embodiment improves transaction security and helps protect user rights.

The invention discloses an asset transaction risk monitoring system and method, and relates to the field of asset transaction security. The method comprises the following steps: acquiring transaction object types, transaction time, transaction amount and flow funds through a plurality of transaction objects of a user; calculating a transaction frequency index according to the transaction time of different transaction objects; collecting multiple groups of asset risk training data through historical transaction data of multiple users; each group of asset risk training data comprises the transaction object type, the transaction frequency index and the transaction total amount ratio of a plurality of historical transaction objects of each user, and a risk mark indicating whether each transaction object has a flow fund risk, and training to obtain an asset risk prediction model.

The invention relates to a data transaction security assessment method based on a gated attention feedforward network. The method comprises the following steps: calculating a data exposure surface element, a data value density element and an operation anomaly index element through audit data; standardizing the elements respectively and then combining the elements into a data security situation feature vector; weighting the data security situation feature vector based on a gating attention mechanism to obtain a security risk feature vector; constructing a reset gate and an update gate by adopting a parameterized correction linear unit, and performing deep coupling on the security risk feature vector through the reset gate, the update gate and an interaction head to obtain a deep coupling feature; performing linear mapping and fusion on the deep coupling features through a deep feed-forward network, and outputting a comprehensive risk score; and determining a data transaction risk level based on the comprehensive risk score and a preset threshold. According to the method, real-time, dynamic, quantitative and interpretable security risk assessment of the target data assets in the data transaction platform can be realized.

This application relates to the field of financial information management technology, and provides a method and system for big data transaction security control. The method involves acquiring user information and transaction data streams from both parties; generating a dynamic quantum key from the polarization basis sequences selected by both parties; encrypting the transaction data stream with the dynamic quantum key to generate encrypted ciphertext; dynamically de-identifying the user information and transaction data stream based on an entity relationship network constructed from the transaction data stream and role information in the user information to obtain de-identified data; training a transaction risk identification model using federated learning based on the encrypted ciphertext and the de-identified data; determining the risk probability based on the acquired real-time transaction characteristics using the risk identification model; and generating a security control strategy based on the risk probability. By utilizing quantum encryption technology to protect data security and privacy, and generating precise security control strategies based on real-time transaction characteristics, the security, privacy, and reliability of transactions are significantly improved.

The invention discloses an industrial video data right confirmation and transaction method, equipment and a program product, and the transaction method comprises the steps: carrying out the bidirectional matching verification of on-chain data of transaction industrial video data after receiving a transaction application of the transaction industrial video data with an on-chain right confirmation record; after the bidirectional matching verification is passed, based on a t-of-n threshold key management mechanism, obtaining encryption key fragments of the transaction industrial video data stored in a preset number of key management nodes; in a hardware security module HSM, performing threshold reconstruction on the encryption key fragment to obtain an encryption key of the transaction industry video data; verifying the measurement hash of the trusted execution environment, importing the encryption key into the trusted execution environment after the verification is passed, and performing privacy calculation on the encrypted transaction industry video data; and carrying out transaction settlement based on the on-chain arbitration state machine. According to the invention, the credible right confirmation of the industrial video data is realized, and the tamper-proof capability and transaction security of the industrial video data are effectively improved.

The embodiment of the invention provides a transaction risk assessment method and system and a medium, and the method comprises the steps: obtaining a transaction request, obtaining transaction data, and carrying out the matching of a corresponding transaction safety level according to the transaction data; configuring a transaction account operation rule according to the corresponding transaction security level, and obtaining a real-time transaction state according to the transaction account operation rule to obtain transaction state information; comparing the transaction state information with set state information to obtain a state deviation rate, and judging whether the state deviation rate is greater than or equal to a set state deviation rate threshold; if yes, transaction risk information is generated, and risk level evaluation is carried out on the transaction risk information; if yes, completing a transaction account transfer transaction according to the transaction request; the transaction security level is set according to the transaction data, the operation rule of the transaction account is dynamically adjusted, the transaction risk change is analyzed in real time in the transaction process, the transaction risk is dynamically evaluated, and the transaction security is improved.

The invention discloses a data processing method and device based on a financial product and a program product. Relates to the field of financial science and technology. The method comprises the following steps: acquiring N types of operation data generated when a target object browses a target product list in a current time period; acquiring data of operating the target product list by the target object in a historical time period to obtain historical operation data; based on the N types of operation data and the historical operation data, determining financial products concerned by the target object in the current time period; and in the process that the target object purchases the financial product, transaction security verification is performed based on the financial product concerned by the target object in the current time period. Through the method and the device, the problem of low transaction security of financial products in related technologies is solved.

The invention discloses an anti-theft bank card and a transaction verification system and method.The chip layer of the anti-theft bank card is internally provided with a quantum voiceprint sensor, dynamic verification is carried out by collecting voiceprint features and quantum disturbance features and combining the voiceprint features and the quantum disturbance features to the transaction verification system, and the transaction verification system comprises the anti-theft bank card, a transaction terminal and a back-end server. A transaction terminal is used as a communication transfer station, an anti-theft bank card is used as a biological signal acquisition end, a back-end server is used as a verification and transaction execution end, and through encryption communication real-time interaction among the transaction terminal, the biological signal acquisition end and the verification and transaction execution end and in combination with real-time verification of data such as quantum disturbance characteristics, voiceprint characteristics and communication data, composite security requirements such as relay attacks are effectively met. And the transaction security is improved.

The invention provides a cross-border payment settlement system and method. The system comprises an intelligent exchange rate dynamic generation module, a block chain settlement engine, a multi-dimensional security protection module and a self-adaptive supervision adaptation module. An exchange rate associated with transaction characteristics is dynamically generated through a reinforcement learning model, payment message analysis and real-time liquidation are realized by adopting a distributed account book, transaction security is guaranteed in combination with a national cryptographic algorithm and a node trust mechanism, and supervision requirements of each country are automatically adapted based on an intelligent contract. According to the technical scheme, digital RMB cross-border payment scene factors are fused, a cross-chain protocol is supported to be connected with digital currency bridge nodes of different countries, the capability of anomaly detection, fault-tolerant self-healing and fund tracing is achieved, and efficient, safe and compliant cross-border payment liquidation is achieved. According to the invention, the problems of delayed exchange rate, low clearing efficiency, poor compliance adaptability and the like in traditional cross-border payment are solved, and the transparency and risk control level of cross-border fund flow are significantly improved.

The invention provides a transaction security processing method, device and equipment, a medium and a program product, relates to the field of artificial intelligence, and can be applied to the field of financial science and technology. The method comprises the steps that under the condition that user authorization is obtained, when a target transaction related to a target user occurs, transaction information of the target transaction is obtained, and then a bank transaction data set corresponding to the target transaction is obtained; processing the bank transaction data set to obtain a transaction risk reference value; when the transaction risk reference value is compared with a preset first threshold condition to represent that the target transaction has a risk, acquiring a user account data set of the target user; evaluating a risk grading result of the target transaction based on the bank transaction data set and the user account data set; and processing the target transaction according to a processing flow corresponding to the risk grading result of the target transaction, different risk grading results corresponding to different processing flows.

The invention discloses a deep forgery detection method and device, a storage medium and a program product. Relates to the field of artificial intelligence, and the method comprises the steps: carrying out the multi-modal data collection of a target object through an image collection device, obtaining a data collection result, and determining N pieces of modal data based on the data collection result, the N pieces of modal data including video data, optical flow feature data and spectrum feature data; performing layer space feature extraction on the video data by using a feature extraction model to obtain a target feature set, the feature extraction model comprising a hierarchical visual target neural network architecture; performing data fusion on the features in the target feature set, the optical flow feature data and the spectrum feature data to obtain fused features; and based on the fusion features, utilizing a long-short-term memory network model to determine the forgery probability of the identity verification data. The problem of low transaction security caused by the condition that illegal transactions are carried out by adopting a deep forgery technology in related technologies is solved.

The invention discloses a non-inductive payment method, system and device based on near field communication and a medium. The method is applied to a merchant terminal, user payment equipment, a third-party acquirer, a clearing mechanism and an account service mechanism. The merchant terminal generates transaction data containing transaction parameters, payment application identification information and a standardized application wake-up instruction, and writes the transaction data into an NDEF tag; after the user payment equipment approaches and reads the tag, the payment application is automatically started, the signature is verified, and dynamic verification information containing a dynamic identifier and a timestamp is generated; the merchant terminal generates terminal legal permission information through a built-in security chip, and submits the terminal legal permission information and the dynamic verification information to a third-party acquirer for verification; and after the clearing institution verifies and signs the route, the account service institution verifies the validity of the dynamic verification information and the consistency of the transaction abstract and completes money deduction. According to the invention, non-inductive payment is realized, the operation convenience is improved, multi-platform and multi-wallet adaptation is realized, the compatibility is enhanced, and the transaction security is ensured through dynamic encryption and hardware-level protection.