82results about How to "Guaranteed to be authentic" patented technology

The invention belongs to the technical field of Internet of things, in particular to a product traceability information management system and method. The system adopts an up-chain and down-chain coordination mechanism to manage supply chain information: the manufacturer of a product supply chain collects, stores and manages the product information or the event information produced in the process of supply chain through the sub-system under the chain, and uploads the key traceability information with anti-tamper requirements, such as information storage certificate, information location, identity authentication evidence, etc. to the sub-system on the chain based on the block chain for storage and management; each link in the same supply chain is found through the functional modules of the subsystems on the chain to verify and share the data of the subsystems under each link in the supply chain to ensure the safety of the whole process. The invention solves the unauthorized tampering problem and the trust chain transmission problem faced by the traditional tracing system, improves the credibility of the product tracing system, and ensures the flexibility and scalability of the system.

The present invention discloses a warehouse receipt transaction security enhancing method in a warehouse receipt system based on the blockchain. The method comprises that: public keys and private keys capable of verifying the identity of each node are generated by using a CA certification mechanism, wherein the warehouse receipt issuance node of the warehouse receipt system is taken as the node of a sender, a warehouse receipt is generated after the completion of warehousing, and warehouse information is encrypted by using the public key of the receiver to form a ciphertext; the ciphertext is signed by using the private key of the receiver, and a transfer order is made to be sent to the node of the receiver in the form of the broadcasting; and in each process of warehouse receipt transaction, the intermediate node and the node of the receiver use the public key of the sender to verify and sign the transfer order, and if the receiver needs to use the warehouse receipt, the private key of the receiver must be used to decrypt the warehouse receipt information on the transfer order. According to the warehouse receipt transaction security enhancing method in the warehouse receipt system based on the blockchain provided by the present invention, through the double verification mechanism of CA certification, and encryption and signature, the security of the warehouse receipt transaction and the privacy of the warehouse receipt system are improved.

Embodiments of the invention provide an identity verification method and apparatus, and an electronic device. The method comprises the steps of receiving a data acquisition request initiated by a nodedevice of a target user in a block chain; Wherein the data acquisition request carries a block chain first address of the target user and a block chain second address of a target service party, and the target service party is a service party for performing identity verification on the target user; Calling an intelligent contract executing query, and obtaining a target storage address and a targetdigital signature of the identity information of the target user registered on the block chain according to the first address of the block chain; Calling and executing the sent smart contract, and sending the acquired target external storage address and the target digital signature to node equipment of a target service party corresponding to the second address of the block chain, so that the target service party verifies the identity information corresponding to the target storage address according to the target digital signature, and determines an identity verification result according to averification result.

The invention discloses a digital identity signing and issuing method and device based on a block chain and a medium. The method comprises the steps of: determining a block chain platform created in advance based on a block chain framework; receiving an identity issuing request; performing hash on the identity information to obtain a first hash value; generating a random number for the identity issuing request, and hashing the random number to obtain a second hash value; generating a symmetric key, and encrypting the identity information and the random number by using the symmetric key; and obtaining the digital identity after signature is carried out through the private key of the issuing node. The digital identity encrypted by the symmetric key is stored in the block chain, so that the user can acquire the identity information anytime and anywhere, and the method is very convenient. Moreover, the symmetric key needs to be obtained through a private key of the symmetric key, thereby guaranteeing that other people cannot steal the symmetric key easily, and guaranteeing the interests of a user. In addition, because the blockchain platform is in distributed storage, data tampering ofa single node does not take effect, and the truth and credibility of data on the blockchain platform are guaranteed.

The invention discloses an intelligent electric meter based on a block chain technology. The intelligent electric meter comprises a metering module which is used for metering electric quantity; And the block chain supporting module is connected with the metering module and is used for enabling the intelligent electric meter to perform electric power transaction in a block chain network and storingthe electric quantity metering and transaction data in the block chain. The intelligent electric meter can meet the requirements for electric quantity collection, transaction and recording of different types of distributed energy and storage batteries, is combined with a block chain technology, ensures that electric power data is real and credible, and provides an efficient and safe credible electric power data acquisition terminal for micro-grids, new energy transaction, distributed photovoltaic production and marketing and storage batteries.

The invention relates to the technical field of copyright image protection, and provides a decentralized image copyright protection system and method with infringement real-time detection, and the method comprises the following steps of (1), enabling a registered user to upload an image through a client, and enabling an SIFT image feature extraction algorithm in the system to carry out the featuredata collection on the uploaded image; (2) extracting the invariant characteristics, such as visual angle, translation, affine, brightness, rotation, etc., of an existing copyright image by a user through an SIFT algorithm to form a local feature vector set of the image, and taking the local feature vector set as a registered image feature data set; (3) carrying out distributed storage on the feature data sets in the steps (1) and (2) by utilizing an IPFS (Internet Protocol File System), and constructing a network transmission protocol for persistent and distributed storage and file sharing;and (4) performing comparative analysis and calculation, and judging that the image does not accord with the condition of forming a new work. The system and the method provided by the invention have the characteristics of being tamper-proofing, realizing the high safety, permanent preservation and decentralization, being able to trace, being low in cost, etc.

The invention discloses a big data platform-based power data processing method. The method comprises the steps of obtaining application data in a power network; performing collection processing on the application data according to a preset mode, and after a data form is formed, sending and storing the processed collected data in a big data platform matched with the power network; in the big data platform, performing visualization processing on the collected data and performing real-time display; performing associative condition analysis on the collected data by adopting a clustering algorithm, and finding out key power nodes in the power network; and analyzing historical fault data in the power nodes by adopting an associative rule method, performing assessment and continuous tracking on the power nodes, and when operation of a node has a fault, performing prediction to obtain fault conditions of other nodes. According to the big data platform-based power data processing method, the power data collection and utilization efficiency can be improved and the fault point prediction can be accurately realized.

The invention relates to a method for displaying a sender Chinese name at a mobile phone terminal, which comprises the following steps: an interface protocol of the network side equipment of a short message system and a mobile terminal is expanded, and a number type for expressing a calling address into a Chinese character string is increased; after receiving a short message of a sender, the network side equipment obtains a sender name in the calling address or inquires the corresponding relation between a sender number and the sender name by the sender number in the calling address so as to obtain the sender name; the sender name is coded into the calling address according to the expanded interface protocol and transmitted to the mobile phone terminal by the network side equipment; and the mobile phone terminal obtains the sender name from the calling address and displays the sender name. Accordingly, the invention also provides a device for realizing the function of displaying the sender Chinese name at the mobile phone terminal and the mobile phone terminal for displaying the sender Chinese name. The invention has more favorable interface between an SP and a user and is convenient for the user to use.

The invention provides a remote sensing data storage method and system based on a block chain. The method comprises the following steps: storing remote sensing data as a plurality of remote sensing files based on a collection time point; Performing Hash operation on the plurality of remote sensing files to obtain corresponding Hash values; And storing the associated information of the plurality ofremote sensing files in a block chain network by designing an intelligent contract, the intelligent contract comprising hash values corresponding to the plurality of remote sensing files. According to the storage method and the storage system, the remote sensing data can be prevented from being tampered, the safety of data storage is improved, and the space-time integrated remote sensing data canbe effectively obtained.

The embodiment of the invention provides an evaluation processing method and an evaluation processing device, the method comprises the following steps: acquiring a user identifier and network connection time information of a user, wherein the network connection time refers to starting time and duration of accessing to a service provider network of the user; performing identity identification for the user according to a communication number of the user, a terminal device identifier and the network connection time; and performing evaluation processing for the service provider according to the identity identification result. In the scheme, evaluation for the service provider is executed based on a result of identifying whether the user truly uses services, based on the result of identity identification, the evaluation result of the service provider is guaranteed to be true and believable, and cheating in scoring and false evaluation are avoided.

The invention discloses a subscriber and subscriber terminal equipment correlation authentication method and system. The method comprises that subscriber identities are verified according to subscriber digital certificates obtained from CA; terminal equipment dynamic authorization codes are generated for subscribers after the subscriber identity verification is passed; authorization code verification is performed on subscriber terminal equipment requiring to be correlated and authenticated to be credible through the terminal equipment dynamic authorization codes; terminal equipment sends digital certificate application information to the terminal equipment for applying for terminal equipment digital certificates after the terminal equipment dynamic authorization code verification is passed and terminal equipment digital certificates are signed for the terminal equipment according to the application information. According to the method and the system subscriber main identities and a plurality of pieces of terminal equipment are correlated and authenticated for the subscriber credible terminal equipment, so that the reliability and the safety of subscriber identity and terminal equipment identity authentication are improved, and correlation authentication can be performed on the subscriber identities and the terminal equipment simultaneously.

The invention discloses a cutter breakage detection method based on internal data of a numerical control system, comprising the following steps: (1) collecting the internal data of a numerical control system as cutter data, recording manufacturing resource data, and intercepting machining state data from the cutter data and pre-filtering the cutter data to get low-frequency data of cutter machining state; (2) extracting signal features characterizing cutter state according to the low-frequency data of cutter machining state to form a feature vector fea={fea<1>, fea<2>,...,fea<m>}, wherein i is the sample number of cutter data, and m is the number of feature dimensions; and (3) carrying out model training according to the feature vector and a corresponding category thereof to get a training model, judging the state of a cutter according to the training model, and completing cutter breakage detection in this way. A real-time accurate cutter breakage detection function is achieved. Subsequent scraping of cutters and parts is avoided. The first pass yield of products of an automatic production line is improved.

The invention relates to a cosmetics anti-counterfeiting and traceability system based on a blockchain technology. The system comprises a commodity circulation module, an information storage module and an anti-counterfeiting query module. Different functions of the anti-counterfeiting and traceability system are exquisitely divided and include a cosmetics traceability chain establishment process,a block information recording process and a cosmetics anti-counterfeiting information query process to meet different requirements. A tree diagram traceability chain is designed, a cosmetics selling link is layered, the permission of each type of node in the anti-counterfeiting and traceability system is stipulated, and each type of requests is strictly restricted to guarantee that the informationis true and believable. The system is also provided a clear two-dimensional code and a dark two-dimensional code, three types of query modes are provided, blocks can be established in a query processand are added into the tree diagram traceability chain, the anti-counterfeiting information of the cosmetics can be queried, and the credibility of a dealer can be improved.

The invention discloses an enabling blockchain agricultural product quality credible traceability system based on a nondestructive detection technology. The system comprises five nodes including a production terminal, a logistics terminal, a sales terminal, a consumption terminal and a government supervision department. The government supervision department tracks the production terminal, the logistics terminal, the sales terminal and the consumption terminal; the production terminal, the logistics terminal, the sales terminal, the consumption terminal and the government supervision departmenttrack and trace the respective corresponding distributed databases, and database synchronization is performed among the distributed databases. According to the invention, key point control and faultmode, influence and hazard analysis methods are applied to check and analyze the front and back quality conditions of each node; the system utilizes non-destructive detection, Internet of Things, AI and other technologies for agricultural product finished products with quality problems, performs disguise and truth keeping at a production source, ensures that source information is real and credible, can quickly trace back to the source at a consumer terminal, and an agricultural product quality credible traceability system with a pre-event quality guarantee function and a post-event traceability function is achieved.

The invention discloses a digital art work anti-counterfeiting traceability transaction system and transaction method based on a block chain. The system comprises a business logic layer, a data packaging layer and an interface layer. The business logic layer comprises a user module, an uploading module, a transaction module and an auction module. The data packaging layer comprises a data write-inpackaging and a data query packaging; and the interface layer comprises a user registration interface, an account query interface, a transaction interface and a transaction query interface. Accordingto the method, the digital work data is safer and easier to maintain, copyright authentication is easier, the cost is reduced compared with a traditional anti-counterfeiting means, and traceability and rights protection can be achieved.

The invention discloses a method of realizing digital commodities trading based on computer network, in which at least five entities are involved: consumers, sellers, a digital commodities trading center, a bank of opening an account for consumers, a bank of opening an account for sellers. Before trading, the invention mainly includes: the trading center receives digital commodities of consumers and description information of the digital commodities, and publishes the description information of commodities on the Internet through its portal after checking that the commodities are in line with the description. The consumers choose the goods through the portal. The process of trading includes: after a seller receives the purchase request of a consumer, the seller sends the digital commodities to the consumer with encryption, the consumer applies for a payment token to the bank of opening account for consumers, the bank of opening account for consumers completes the payment through the payment token, and the seller sends a decryption key for the digital commodities to the consumer after confirming the payment. The method adopts the RSA asymmetric encryption method and wherein the trading center receives arbitration application and carries out the arbitration when there is a controversy.

The invention discloses a movable property pledge goods supervision method and device based on alliance chain, and the method comprises the steps: enabling a first node to upload obtained pledge goodsinformation and / or early warning information to a block chain, wherein the pledge goods information comprises a pledge goods number and a monitoring equipment ID for monitoring pledge goods; after the pledge goods information and / or the early warning information are / is successfully written into account book, triggering a corresponding monitoring event, and pushing the pledge goods information and / or the early warning information to the second node; and after the second node stores the received pledge goods information and / or early warning information, checking whether the pledge goods information is complete or not, and if not, uploading missing information to the block chain. According to the method, the pledge goods information is stored through the block chain, it is guaranteed that the pledge goods information cannot be tampered and forged once being linked, and it is guaranteed that the pledge goods information inquired by financing parties, financial institutions and storage parties is consistent; the early warning information is uploaded to the block chain by adopting a mode of combining the block chain and the Internet of Things and then pushed to a financial institution,so that the authenticity, reliability and traceability of the early warning information are ensured.

The invention discloses an artificial intelligence training model method and device based on a blockchain, and a medium. The method comprises the steps of determining a blockchain platform created inadvance based on a blockchain framework; receiving training data which is provided by each data providing node and is used for training a model; obtaining a model generated by training the training node through the training data; and writing the model into a blockchain platform. The whole process from training data providing to training completion is stored in the block chain platform. As the datain the blockchain platform is public and transparent, each node can inquire the training data and the model through a corresponding way at any time. As the blockchain platform is in distributed storage, the data tampering of a single node does not take effect, and the truth and credibility of the data on the blockchain platform are ensured. Therefore, the training data is difficult to be tampered, and the accuracy of the model is ensured. The model is written into the blockchain platform, so that the model is difficult to tamper.

The invention discloses a shopping card implementation method based on a block chain. The invention relates to the technical field of block chain shopping cards. According to the technical scheme, thetechnical problems that an entity shopping card is high in manufacturing cost and unclear in fund flow direction are solved, the key point of the technical scheme is that the physical identity and the digital identity of an enterprise are mapped and written into a block chain through an intelligent contract, the block chain shopping card similar to non-homogenized tokens is issued, and the blockchain shopping card can be additionally issued and can also be used for self-transaction. According to the block chain shopping card, the cost is saved, and an entity card does not need to be manufactured; the shopping card is easy to manage and use and not easy to lose, a cardholder uses the digital wallet to manage the shopping card, a two-dimensional code is generated during use, and the shopping card cannot be lost forever as long as the cardholder backs up his own wallet private key safely.

The invention provides a data sharing community governance method based on a block chain technology. The method comprises the following steps: step 1, setting a data sharing community rule system; 2, setting an excitation mechanism; the step 1 comprises the following steps: step 11, setting community members; step 12, setting a reputation value; step 13, setting a community reward pool; and step 14, setting community member behavior point rewards. The step 2 comprises the following steps: step 21, establishing a data sharing incentive mechanism; and step 22, establishing an incentive mechanism of group treatment consensus. The data sharing community can effectively solve the problems that an existing centralized data transaction platform is limited, that is, a data sharing concept is lacked, and centralized management may occur due to centralized platform management.

The invention discloses a health authentication method and device based on a block chain and a dynamic code, and a medium. The method comprises the following steps: determining a pre-created block chain platform; receiving a health authentication request sent by the user node; determining a service code corresponding to the health authentication request and / or determining an application ID corresponding to the health authentication request; generating a unique character string corresponding to the health authentication request; and generating a dynamic code corresponding to the health authentication request, and writing the dynamic code into the blockchain platform as a health code of the user node, thereby facilitating the user node to perform health authentication. Since the blockchain platform is in distributed storage, data tampering of a single node does not take effect, and authenticity and credibility of data on the blockchain platform are guaranteed. The dynamic code is writteninto the blockchain platform, and each node in the blockchain platform can trace back the dynamic code at any time. And the identity information of the user is added in the encoding process, so thatthe relationship between the dynamic code and the user is closer, and the tracing of the user node is more facilitated.

The invention provides fusarium disease pathogenic bacteria RT-PCR (reverse transcription-polymerase chain reaction) detection primer and probe combination and a kit. A nucleotide sequence of the primer and probe combination is shown as SEQ ID NO:1-12. The kit disclosed by the invention can quickly, specifically, flexibly and stably perform molecular diagnosis on cornea fusarium disease pathogenic bacteria. Based on the establishment of a reliable fusarium disease pathogenic bacteria detecting system, a competitiveness internal reference is pertinently designed to guarantee that negative results are genuine and believable. Meanwhile, the kit provided by the invention includes an improved DNA extracting system, can quickly and effectively finish a DNA extracting process and enables detection to be quicker and more convenient.

The invention belongs to the technical field of user positioning security in a mobile communication network, and discloses a 5G positioning true value detection and attack tracing method, system and device and application. The method comprises the steps of: extracting related parameters from a wireless signal sent by a user, clustering the positioning data by the data fusion center by using a clustering method, eliminating abnormal data, and realizing true value detection and credible positioning information calculation; and according to the method, utilizing historical records of positioningparameters to extract related features, completing training of a user attack detection model and a base station tracing model, in subsequent positioning, analyzing the positioning parameters of a userneeding to be detected and parameters uploaded by a positioning base station respectively, and effectively completing attack detection of a target user and attack tracing of a malicious base station.According to the invention, the real credibility of user positioning can be guaranteed, the extremely high positioning precision is achieved, interference attacks for user wireless positioning signals and internal attacks for positioning base stations can be effectively resisted, the safety of a positioning system is guaranteed, and the extremely good robustness is achieved.

The invention discloses an intelligent detection device based on a block chain technology, which comprises a detection terminal, a detection cloud and a protection system, and is characterized in thatthe detection terminal is connected with the protection system and is used for sending various detection data to the protection system; the detection terminal comprises a detector, a storage module,a network module, a display device and a calibration module, and the network module is connected with the protection system. The system has the advantages that the detection information of the to-be-detected object is transmitted to the protection system with the blockchain auditing system in real time through the intelligent detection system with the blockchain technology, and the storage modulestores the blockchain node address information of the intelligent detection system; the detected initial data is uploaded to a blockchain network and creating a block, and traces are left for subsequent data arrangement and modification to prevent data tampering.

The invention provides a method for detecting an antimicrobial peptide product and suitable for industrial production. The method comprises the following steps of: (1) preparing a culture medium for detection; (2) preparing test bacteria; (3) preparing a solution of the antimicrobial peptide product; (4) setting up a standard curve; (5) performing quality inspection; and (6) determining test results. The method can detect antimicrobial activity of the antimicrobial peptide product sensitively, accurately and visually, is simple and convenient in operation, needs to make only one standard curve under the same production process conditions, makes the results stable and accurate, can provide the detection results in the form of precise numbers, can effectively ensure that the experimental data is true and reliable, and is suitable for large-scale production testing.

The invention discloses an automobile valuation system and method based on a block chain, and the method comprises the steps: firstly proposing a loyalty degree, a reward and punishment mechanism anda reputation leasing concept which are combined with a service address, a reward and punishment reputation verification excitation model and a formula analysis argumentation according to a verification economic idea and a reputation verification contract interaction relation; secondly, designing and realizing a task scheduling algorithm and a revenue distribution algorithm in a pass scene; and finally, designing and realizing application transformation of the Bancor protocol in the intelligent contract. The problems are solved by using a plurality of technologies such as a block chain, an IPFSand a database, more technical advantages are brought, and the truth and credibility of the second-hand vehicle data are ensured by using the traceability and tampering difficulty of the second-handvehicle data; the system is linked by compiling the intelligent contract, so that the system can continuously run under the condition of no operation, and the operation and maintenance cost is reduced; by redesigning the data model, the privacy of the data can be ensured, and the shareability of the data can also be ensured.

The invention discloses a block chain-based video excitation method and device, and a medium. The method comprises the steps of determining a block chain platform created in advance based on a block chain framework; receiving an advertisement sent by an advertiser, and writing the advertisement into the blockchain platform; and determining that the user watches the advertisement, exciting the user, and writing the excitation into the blockchain platform. The advertisement watching and incentive processes of the user are stored in the block chain platform. By motivating the user watching the advertisement, certain value can be brought to the user when the user watches the advertisement, and the interest of the user in watching the advertisement is improved. Because the data in the blockchain platform is public and transparent, each node can trace back to the source of whether the user watches the advertisement or not through a corresponding way at any time, and the rights and interestsof the user are guaranteed. Moreover, since the blockchain platform is in distributed storage, the data tampering of a single node does not take effect, and the truth and credibility of the data on the blockchain platform are ensured.

The invention discloses a blockchain-based enterprise authority management method and device, and a medium. The method comprises the steps of determining a blockchain platform created in advance basedon a blockchain framework; obtaining employee information corresponding to each employee, and writing the employee information into the block chain platform; receiving a reading request sent by the employee; and determining enterprise information which can be read by the employee according to the employee information corresponding to the employee and a preset corresponding relationship, and sending the enterprise information to the employee. The whole process of obtaining the enterprise information by the employees is stored in the blockchain platform. Because the data in the blockchain platform is public and transparent, each employee can inquire the enterprise information through a corresponding way at any time. Moreover, since the blockchain platform is in distributed storage, the datatampering of a single node does not take effect, and the truth and credibility of the data on the blockchain platform are ensured.

The invention discloses a blockchain-based dealer supply chain finance implementation method and device, and a medium. The method comprises the steps: determining a blockchain platform created in advance based on a blockchain framework; obtaining the production and operation condition of a dealer, and writing the production and operation condition into the blockchain platform; determining a delivery mode according to the production and operation conditions, and writing the delivery mode into the blockchain platform; determining that the dealer pays the same-period loan interest and / or paymentcorresponding to the delivery, and writing the payment information into the blockchain platform; receiving delivery information sent by the supplier, and writing the delivery information into the blockchain platform. Because the blockchain platform is in distributed storage, data tampering of a single node does not take effect, and the authenticity and credibility of the data on the blockchain platform are ensured. The goods are delivered in batches for multiple times, and financing and selling power of downstream dealers is improved; the dealer pays goods money in batches, so the purchase capability can be improved; and the bank masters the production and sales or related information of each node through the related information so as to provide a loan.