100results about How to "Realize immutable" patented technology

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 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 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 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 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 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 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 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.