100results about How to "Realize immutable" patented technology

The embodiment of the invention provides a copyright management method. The method comprises steps of receiving a copyright processing request, constructing a copyright management business according to the copyright processing request, and storing the copyright management business to a block chain for processing. All block chain devices store the block chain; and the copyright management business can be processed in a credible and safe way.

The invention discloses a flat building equipment Internet of Things monitoring system and method based on a block chain. The system comprises a plurality of block chain nodes, a plurality of intelligent terminals and a plurality of user terminals, the block chain nodes are deployed in a building subspace. wherein the blockchain nodes are respectively connected with a user terminal and intelligentterminals arranged in the building subspace, are in one-to-one correspondence with the building subspaces, and are configured to authenticate the intelligent terminals, decrypt the received intelligent terminal data, store and carry out parallel computing, and carry out data sharing among the blockchain nodes through an intelligent contract; the intelligent terminal is configured to collect environment parameters and equipment operation state parameters, and periodically encrypt and send the environment parameters and the equipment operation state parameters as sensing data to the blockchainnode directly connected with the intelligent terminal; and the user terminal is configured to perform data interaction with the block chain node.

The invention provides a P2P financial platform fund bank storage management method based on a block chain, a P2P fund storage management system of a first participant, a P2P financial platform application of a second participant, a government platform and an insurance platform of a third participant and the like need to be provided, and all the participants are mutually connected through the block chain network. The block chain network comprises an intelligent contract block chain network and a certificate storage block chain network; after the P2P financing platform application executes thepoint-to-point network borrowing and loan service, the P2P fund storage and management system performs storage and management; and the insurance platform provides insurance service, performs service scheduling and storage through the P2P fund storage and management platform, inquires and analyzes storage data through the government platform, and audits and supervises P2P services. According to theinvention, the whole-process legal management of P2P fund bank storage and management is realized, the data storage difficulty of P2P transaction is reduced, the system performance based on the blockchain technology is improved, the approval process and business transaction complexity of multiple participants in fund hosting are simplified, and the information transparency and the supervision strength are improved.

The invention discloses an electronic proof system based on a blockchain. The electronic proof system comprises a distributed file management system and a consensus network bookkeeping device, whereinthe distributed file management system comprises an attribute basic encryption module, a file segmentation module, a copying and distributing module, a Hass processing module and a sending module, and the consensus network bookkeeping device comprises a consensus network module and a bookkeeping module. The invention also discloses an electronic proof storage method and an electronic proof file recovery method. By use of the electronic proof system based on blockchain, the electronic proof storage method and the electronic proof file recovery method, permission control of a multi-hierarchy relationship can be realized, centralized management can be realized, risks are dispersed, user information can effectively prevent from being leaked, data can not be tampered and can be subjected to tracking traceability, a manual operation can be withdrawn, and information transfer efficiency is high.

The invention provides a grain and oil food full supply chain information security management system and method based on a trusted identifier and an IPFS, and relates to the fields of block chain technology, grain and oil food security and the like. The system is realized by adopting a browser / server structure, and provides management functions of registration, information acquisition, informationquery, real-time monitoring and the like for a user based on a credible identification model of a block chain and an IPFS + block chain dual-mode storage mechanism. According to the method, the operation process of the grain and oil food full supply chain is analyzed, distributed nodes are set to upload data, a grain and oil food full supply chain credible identification model based on the blockchain is constructed, and a dual-mode data storage mechanism of IPFS and the block chain is adopted. According to the invention, the data transmission of each link on the grain and oil food full supply chain is safe and transparent, the information access speed and privacy protection are improved, the upper and lower chains of the supply chain information are controlled through the intelligent contract, and the management functions of grain and oil food full supply chain information acquisition, query, tracing, monitoring and the like are realized.

The invention discloses a fabricated building construction quality tracing method, system and device based on a blockchain. The method comprises the steps of obtaining component supply information ofthe fabricated building and design information of the fabricated building, and generating a first bill; generating a second bill according to the node information of each preset quality tracking nodein the prefabricated building construction process; obtaining acceptance record information of the supervisor in the building construction process, and generating a third bill; establishing an assembly type building construction project alliance chain with interconnected and intercommunicated tracing information, and carrying out distributed accounting on the bill; and supervising and tracking theprefabricated building construction quality problem through a unified tracing interface according to a distributed accounting result. By using the method provided by the invention, the quality responsibility problems in the front, middle and later periods of prefabricated building construction can be effectively recorded and traced, a good trust mechanism is established, and the responsibility tracing efficiency is improved. The method can be widely applied to the technical field of buildings.

The invention discloses a digital copyright protection method based on a block chain technology. The digital copyright protection method comprises a digital copyright protection model based on the block chain technology and a copyright protection protocol. The digital copyright protection model comprises a user, a Web client, a block chain server and a block chain network. A user registers and identifies through the Web client, generated transaction information Tx is processed through the block chain server, and information consensus is carried out through a consensus mechanism of the block chain network; the copyright protection protocol comprises a digital copyright registration sub-protocol and a digital copyright transfer sub-protocol. Information leakage cannot be caused even if the scheme is attacked; according to the method and the system, piracy and copying behaviors of the digital works are prevented, malicious users cannot perform camouflage attacks, piracy infringement behaviors can be solved, the real uniqueness of the digital works is ensured, and the calculation cost of a Simhash (locality sensitive hash) algorithm is greatly reduced.

The invention discloses a license management method and device based on a block chain, electronic equipment and a storage medium, and the method comprises the steps: receiving a chain uploading application of a license determined according to license metadata uploaded by a user node, generating a license identifier corresponding to the license in the block chain, and storing the license metadata in the block chain in advance; sending the uplink application to a certificate issuing node, so that the certificate issuing node carries out endorsement verification on the uplink application; receiving a endorsement verification result uploaded by the certificate issuing node; when the endorsement verification result meets a first preset endorsement strategy, sending the certificates contained inthe uplink application of the certificates to a packaging node, so that the packaging node sorts and packages the certificate lines, generates a block containing the certificates, and broadcasts theblock in the whole network; And after the node in the block chain network passes the verification of the block, putting the block into the chain, and updating the local account book. According to themethod, information loss can be effectively prevented, the information is safer and more reliable, and the security of license management is improved.

The invention relates to an electronic contract signing method and device based on a block chain, equipment and a storage medium. The method comprises: acquiring contract information of all processesin the electronic contract signing process, distributing transaction identifiers to all the processes, wherein the processes comprise a contract initiating process, a contract revocation process, a signing agent setting process and a contract signing process; for each process, packaging and storing the contract information and the transaction identifier into a block of a block chain; and returningthe transaction identifier corresponding to each flow to the user. On one hand, each process of contract signing is traceable and cannot be tampered, and on the other hand, a user can conveniently inquire or monitor the progress of contract signing in real time according to the transaction identifier.

Embodiments of the present application provide a donation method, system, and related equipment, which ensures the openness and transparency of the donation process and cost use based on a block chain, and avoids problems such as false high donation amount, fraud, and the like. The method of the embodiment of the present application comprises the following steps: receiving the solicitation requestinformation sent by the first solicitor, the solicitation request information at least includes the solicitation amount; judging whether the donation amount meets the preset conditions, and if so, generating an intelligent contract according to the donation request information; Smart contracts being recorded in the block chain and broadcast; according to the intelligent contract, depositing the received donation into a third-party account, recording the donation information of each donor, and writing the donation information into a block chain; Receiving cost detail information sent by the hospital bound by the first fundraiser, and writing the cost detail information into the block chain; according to the cost breakdown information, the corresponding fee is paid to the hospital bound bythe first fundraiser using the funds in the third-party account.

The invention provides a food safety traceability system and method based on a block chain, and the system comprises a display layer which comprises a mobile terminal, an external service portal and an enterprise management portal, provides a man-machine interface for a participant, enables the participant to be connected to an application layer through the display layer, and read and manage the food information; the application layer which comprises a food traceability management unit and a quality safety management unit; a service layer which comprises a contract cluster server and an artificial intelligence server, wherein the contract cluster server comprises a business execution contract and a data application contract, and the application layer performs food traceability management and quality safety management through the business execution contract and the data application contract; wherein the data sharing layer comprises a service private chain, a cooperative enterprise alliance chain and a supervision chain, and the data sharing layer collects food information and stores the food information in block chains of the service private chain, the cooperative enterprise alliance chain and the supervision chain. The method has the characteristics of no tampering and traceability, and provides guarantee for food safety.

The embodiment of the application discloses a block chain-based inspection and storage method and device, and electronic equipment. The method comprises the following steps: acquiring inspection dataof a plurality of inspection sites in an inspection activity sequence through a mobile terminal, wherein the inspection data comprises inspection certification information collected at the inspectionsites and running environment parameters of the terminal equipment when the inspection certification information is collected; based on the relation between the running environment parameters corresponding to the plurality of inspection sites in the inspection activity sequence, performing anomaly detection on the inspection data of the plurality of inspection sites in the inspection activity sequence; and when the anomaly detection is passed, submitting the transaction carrying irreversible verification information of the inspection data to a storage block chain through a block chain interface, so as to store the transaction to a distributed account book of the storage block chain.

The invention discloses an advertisement media service data credible storage system based on a block chain, which can more comprehensively protect the safety of advertisement media service data. The method comprises the following steps: firstly, selectively encrypting advertisement media business privacy data through a symmetric encryption algorithm; secondly, storing the data in the block chain,permanently storing important data in the chain, meanwhile, ensuring the tamper resistance of the advertisement media service data stored in the chain by combining an elliptic curve algorithm of the block chain, and meanwhile, ensuring the privacy of the advertisement media service privacy data. The method can effectively prevent the advertisement media business data from being tampered, has the advantage of high security, and provides a credible evidence storage method for the advertisement media business data.

The invention discloses a system and method applied to digital signature of bill voucher, mainly comprising user terminal, user instruction verification and bill voucher digital signature generating center, bill voucher digital signature verification center, and issuing verification terminal, where the user terminal adopts the existing handset, fixed telephone, computer or other communication network terminal to send out user instruction, after the user instruction is confirmed by the user instruction verification and bill voucher digital signature generating center, the digital signature of bill voucher is generated for user and is transmitted through communication link to the user terminal, the user terminal fills the digital signature in the bill, which is given to an accepter, the acceptor verifies and confirms the digital signature by the bill voucher digital signature verification center. And the invention can be used to the operating service of various bill vouchers.

The invention relates to a music copyright identification authentication method and a music copyright authentication system based on a block chain. The authentication method comprises the following steps: obtaining music works based on one or more network nodes under the block chain network; obtaining music works based on one or more network nodes under the block chain network; distinguishing musical compositions by song notes and lyric character; drawing a song note into a note curve, extracting characteristic parameters from the note curve, and calculating a hash value of the note curve; a lyric character being translated into a character code, and characteristic parameters being extracted from the character code to calculate a character coding hash value; export request for exporting the note curve hash value or character encoded hash value to the block chain network specified account being broadcast among other network nodes; in response to receiving acknowledgement of the export request from other network nodes, a note curve or character encoded hash value being written to a block chain network designated account. The invention broadcasts and submits the hash value of a musical work to a network node of a block chain network, thereby protecting the copyright of the musical work at the time of submission.

The present invention discloses a block chain-based sleeve grouting quality traceability method and system, and a collection terminal. The method comprises: step S1: establishing a unified quality traceability standard and a data collection method; step S2: based on a grouting event, collecting associated traceability information in a batch manner through the collection terminal, and forming a data fingerprint of the event to ensure the integrity and non-repudiation of the uplink data; step S3: performing block chain distributed accounting on the sleeve grouting traceability information and the spot check result; and step S4: tracking the sleeve grouting quality based on a unified traceability interface and a security access strategy. The system comprises a traceability standard module 1,a traceability information collection terminal 2, a quality traceability BIM module 3, a traceability information block chain accounting module 4, and a query traceability module 5. According to the method disclosed by the present invention, one of the bottlenecks of the standards, methods, tools, efficiency, safety, supervision and the like for tracking the sleeve grouting quality which restrictthe scale development of the industry in the new building industrialization process can be effectively solved.

The invention relates to a resource allocation method and device based on a block chain. The method comprises the steps of acquiring a resource allocation request initiated by a resource requester andused for requesting allocation to obtain virtual resources; auditing the requester qualification of the resource requester to obtain an auditing result, generating corresponding first resource allocation evidence storage data according to the auditing result, and writing the first resource allocation evidence storage data into the resource allocation block; when the auditing result meets a presetresource allocation requirement, triggering a resource allocation party to execute an allocation operation corresponding to the resource allocation request; and generating corresponding second resource allocation evidence storage data according to the allocation operation and the request operation, and writing the second resource allocation evidence storage data into the resource allocation block. Compared with the prior art, the technical scheme provided by embodiments of the invention has the following advantages: based on the block chain distributed account book technology, the characteristics of data transparency, data security, data traceability and tamper resistance of data in the resource allocation process can be effectively realized.

The invention discloses an intelligent hotel management device and method based on a block chain. The device comprises: an Intelligent hotel management system, The whole system adopts a three-layer architecture; The method includes: an upper page interaction layer, a data processing layer, and an underlying blockchain layer. A user uploads the associated user information through the page interaction layer, and the data processing layer encapsulates the user data into a virtual asset, and the block chain layer For saving data and providing evidence traceability, the page interaction layer includes: hotel reservation, house selection, registration, check-in, check-out and payment functions, when the user performs a hotel reservation function at the page interaction layer, correspondingly theblock chain layer performs user virtual asset transaction. when the user subscribes successfully, the transaction credential of the blockchain layer is obtained, and the user obtains the control authority issued by the smart hotel system, and the user can control the smart device such as the smart door lock and the intelligent gateway of the room reserved by the user through the control authority. The blockchain-based intelligent hotel management method, the user encapsulates the user data into virtual assets by storing the associated user information, saves the data and provides evidence traceability.

The invention discloses a method for carrying out import escort under a remittance item based on a block chain, and a computer readable storage medium. According to the method, the information on thewhole industrial chain is completely published on the chain through the block chain, the real transparency of the information is improved through repeated confirmation of the multi-party nodes, and the risk of a bank caused by a credit problem is reduced. Besides, the bill transmission and auditing process is simplified, manpower, material resources, financial resources and time cost are saved, the whole financing process is faster, safer and more intelligent, electronization, tamper resistance and forgery resistance of bills are achieved, and the authenticity of various bills used in servicesis guaranteed. Moreover, the transaction information of all participants is uploaded, so that the whole transaction process is transparent and convenient to supervise, the risk can be systematicallymeasured, the trust degree between the participants is continuously deepened, and the transaction security is greatly improved.

The invention discloses an education certificate management system based on alliance chain and a construction method thereof, and the management system comprises a user layer, an application layer, a data layer and a network layer. The user layer is a visual web interface of the system and provides different functional interfaces according to different user types; the application layer comprises an application service module and an application module; the data layer comprises a data interaction module and a data storage module; the network layer is responsible for information communication of each node, consensus generation of a new block and maintenance of stable operation of a block chain network; the network layer comprises a decentralized P2P network running a block chain system, and a part of P2P nodes are combined with other routing devices to form an anycast network. According to the invention, a block chain technology is adopted to store an education certificate, based on a Fabric alliance chain, an asymmetric encryption technology is adopted to ensure certificate security, a Kafka multi-channel technology is adopted to optimize a sorting service, and a performance test is carried out through Fabric Tape, so that an education certificate information management and authentication system which ensures that data cannot be tampered and is transparent and traceable is realized.

The invention discloses a safety auditing method and system based on a block chain and a storage medium. The safety auditing system comprises a user acceptance module, a block chain processing module,an auditing log analysis module, a block chain distributed storage module and a system server module. A security audit system is fused with a block chain technology, and the security and survivability of audit data are improved by utilizing distributed storage; furthermore, the auditing record of the consensus mechanism is stored in the block chain to ensure the consistency of the account book, and the traceability of the block chain is utilized to improve the security auditing capability. Moreover, the data protection capability of the security auditing system is improved, sensitive data leakage is prevented, blockchain registration of data full-life-cycle operation records is realized, auditing data cannot be tampered, denied and traceable, and the risk of data leakage is effectively reduced.

The invention discloses a dynamic mortgage loan supervision method and system based on a blockchain, equipment and a storage medium, and the method achieves the non-tampering and non-forgery of transaction data through the block chain technology, guarantees the authenticity and integrity of all data in a dynamic mortgage process, enables all transaction data to be traceable and queried, and financing banks and loan enterprises can comprehensively and truly master the data value of the stored goods. Besides, a distributed account book technology is utilized, and people keep bills and guarantee that people acquire complete information, so that information transparency, information sharing and tampering resistance are realized, and the situation that the mortgage value is lower than the value guaranteed in advance in the dynamic mortgage process due to the fact that loan enterprises tamper data is fundamentally avoided. Moreover, the dynamic mortgage loan is endorsed by a financial storage node, the financial attribute is enhanced, the goods are underwritten by an insurance company, and the risk of a financing bank is reduced.

The invention relates to a judicial electronic evidence system based on an alliance chain and homomorphic encryption. The judicial electronic evidence system comprises a key generation center KGC, a cloud platform CP, a computer server CSP, an evidence storage user side and a notary side. The secret key generation center is connected with the certificate storage user side and the notary side. The cloud platform is connected with the computer server side, the evidence storage user side and the notary side. According to the system and method, the problems that after a traditional centralized judicial electronic evidence system is attacked by a hacker, data is prone to being lost and tampered are solved, and secret calculation can be provided under the condition that privacy of the data and user information in the judicial electronic evidence system is protected.

The invention discloses a data monitoring method and device, which relates to the technical field of data processing, and can solve the problem that the state of a special object cannot be monitored in the prior art. The method mainly comprises the steps of using a data monitoring device to acquire the state information of a monitored object; recording the state information according to the objectidentifier and the time identifier; and writing the recorded state information into a block chain. The method and the device are mainly suitable for the scenes of monitoring the special objects by using a block chain technology.

The embodiment of the invention provides a ship quality traceability system based on a block chain. The ship quality traceability system comprises a traceability information management module and a block chain traceability management module, the traceability information management module is used for acquiring ship information created by a traceability object, auditing the ship information, allocating a number to the ship information, and integrating the number and the ship information to obtain a hash abstract; and packaging the hash abstract into a block based on a system node, carrying out whole-network broadcasting, and adding the block to a block chain after node consensus, thereby realizing ship product information uplink evidence storage; and the block chain traceability management module is used for executing corresponding traceability management operation on the ship information subjected to uplink evidence storage according to the traceability request. According to the ship quality traceability system based on the block chain, traceability management can be carried out on the whole link of the ship based on the block chain technology according to the ship quality traceability service requirement, and the traceability data is real, reliable and tamper-proof.

The invention discloses a metering electronic certificate verification management system based on a block chain, and the system comprises the following contents: a system technical scheme: a Bootstrap framework and an HTML5 / CSS / JavaScript language are used at the front end of the system, a Django framework based on a Python language is used at the rear end of the system, the block chain is an Ethereum public chain, and a file feature value calculation algorithm is an SHA256 algorithm; the system module comprises a metering electronic certificate verification sub-module, a certificate and seal management sub-module, a signature function sub-module and a background management function sub-module. According to the metering electronic certificate verification management system based on the block chain, data of the metering electronic certificate can be verified and cannot be tampered, the credibility of the metering electronic system is improved, meanwhile, malicious users can be prevented from tampering the metering electronic certificate of the system, and the safety of the metering electronic certificate system is improved.

The invention discloses an urban construction waste supervision method and system based on a block chain, and a storage medium. The method comprises the following steps: establishing an urban construction waste supervision alliance chain with interconnected and intercommunicated tracing information; obtaining traceability information of all nodes in the whole process flow direction of the urban construction waste; carrying out distributed accounting on the tracing information; and supervising and tracking the urban construction wastes through a unified tracing interface according to a distributed accounting result. According to the invention, traceability of whole-process information of urban construction wastes in the whole process of a whole alliance chain can be supported; traceabilityinformation of key link supervision events of generation, transportation, storage and recycling can be collected efficiently and safely; decentralization and non-tampering of supervision event tracinginformation storage of the key nodes are achieved, the trust problem between the government and the enterprise is solved, the information is more public and transparent, information query is facilitated, the working efficiency is improved, and the method can be widely applied to the technical field of block chains.

The invention discloses a high-quality rice harvesting and storing operation 5T management method based on the block chain technology. The method comprises the following steps that 1, the harvesting time, the field time, the drying accumulated temperature, the bin harvesting time and the storage accumulated temperature of rice are obtained; 2, the harvesting time, the field time, the drying accumulated temperature, the bin collecting time and the storage accumulated temperature are scored respectively; the weight coefficients of the harvesting time, the field time, the drying accumulated temperature, the warehouse collection time and the storage accumulated temperature are calculated; 3, a comprehensive evaluation score of the rice is calculated; 4, according to the comprehensive evaluation score, the operation 5T management levels of the rice are divided, wherein if Y is greater than 8 and less than or equal to 10, the rice is I-grade; if Y is greater than 6 and less than or equal to8, the rice is grade II; if Y is greater than 0 and less than or equal to 6, the rice is grade III.

The invention relates to an archive management method based on a block chain. The method comprises the steps of obtaining at least two pieces of archive information, classifying the archive information and establishing a query index; storing the classified archive information and the generated corresponding first check code into a block chain network; when the archive information is extracted, obtaining identity verification information of an extractor; after the identity verification is passed, obtaining an archive extraction instruction and a second check code; extracting a related target archive information set and a target first check code from the block chain network according to the archive extraction instruction; comparing whether the second check code and the target first check code meet a preset relationship or not; and if yes, obtaining and outputting target archive information. According to the archive management method based on the block chain, the possibility that the archive information is illegally stolen, tampered and damaged can be effectively reduced, and the safety of archive management is effectively improved.

The invention discloses a crowdsourcing logistics delivery scheduling system and method based on a block chain. The method comprises the steps that a user registers to obtain a secret key and a walletaddress; user registration information is linked; an intelligent contract is created on the block chain to verify the delivery information and classify the delivery information according to the timeliness requirement; creating an intelligent contract on the blockchain to realize spatial clustering of the delivery information according to the delivery position; creating an intelligent contract onthe blockchain to realize classification of the delivery messages in the division set generated by the clustering algorithm according to the starting and destination positions; creating an intelligentcontract on the blockchain to realize delivery path planning; creating an intelligent contract on the blockchain to realize selection of a delivery carrier for a delivery path; consensus is carried out on the delivery information and the corresponding delivery scheme; and establishing a payment channel based on a universal intelligent condition on the block chain according to the carrier position, the delivery path and the delivery cost information, thereby realizing token payment after the delivery operation is completed. The method is efficient, safe and rapid.