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30results about How to "Build trust" patented technology

Decentralized Internet-of-Things cross-domain access authorization method and system

The invention discloses a decentralized Internet-of-Things cross-domain access authorization method and system, and the method comprises the steps: building a blockchain network after initializing a trust domain system, and setting authentication servers in a plurality of trust domains as blockchain nodes; generating a private key for the equipment in the corresponding domain through the authentication server in each trust domain, and storing the system information of each trust domain in the blockchain; when the equipment authentication server initiates a cross-domain authorization application, enabling the authentication server to perform authorization and threshold signature on the equipment through the intelligent contract; when the equipment performs cross-domain access, performing identity authentication on the equipment through an authentication server in an accessed trust domain; and if the identity verification is passed, querying authorization information of the equipment through the blockchain network, verifying an authorized threshold signature, and allowing the equipment to perform cross-domain access after the signature verification is passed. According to the invention, decentralized cross-domain access authorization of the Internet-of-Things equipment can be realized, and the autonomy and initiative of the trust domain are ensured.
Owner:GUANGZHOU UNIVERSITY

Cloud logistics platform and construction method

PendingCN110717716ARealize reasonable storageIncrease stickinessLogisticsLogistics managementBusiness enterprise
The invention discloses a cloud logistics platform and a construction method, and belongs to the technical field of cloud logistics. The invention provides the cloud logistics platform and the construction method of the logistics platform, and the logistics platform comprises a platform system architecture, a big data processing center and a user layer. The construction method of the logistics platform comprises the following steps: S1, constructing a logistics task; S2, establishing a service resource library; S3, constructing a logistics task and cloud logistics service resource combinationmodel; S4, performing big data mining and logistics demand prediction; S5, performing logistics storage planning and joint inventory optimization; and S6, performing logistics transportation and terminal distribution optimization. Through the cloud logistics platform, the relationship between the logistics resource provider and the logistics demand can be well communicated. Sharing and on-demand using of logistics resources, logistics capacity and logistics knowledge are achieved, selection, communication and service matching are provided for enterprises and individuals with logistics demandsthrough a public cloud logistics service platform, and logistics services which are obtained by users at any time, serve on demand, safe, reliable, high in quality and low in price are achieved.
Owner:安徽九州通智能科技有限公司

Financing method and equipment based on block chain intelligent contract technology

ActiveCN113240530AImprove turnover rateReduce malicious disruption of the financing marketDatabase updatingFinanceSmart contractOperations research
The invention provides a financing method and device based on a block chain intelligent contract technology. The method comprises the following steps: in response to a creation request of a fund borrower, creating a financing smart contract in a block chain system; enabling the financing intelligent contract to obtain financing information set by the fund borrowing party, fund borrowing party information and loan information set by the candidate fund loaning party; establishing a candidate fund loan party sequence, and when the financing smart contract starting time in the financing smart contract is reached, generating a loan strategy; and enabling the financing intelligent contract to select a fund loaning party according to the loan strategy, transfer a specified amount of fund from the account of the fund loaning party to the account of the fund borrowing party, generate a financing record, and write the financing record into the block chain system. In this way, more investors are promoted to participate in the financing plan, and financing activities are transparent and open, cannot be tampered and are more flexible; and a trust mechanism is established, so that the default rate, the investment threshold and the investment difficulty are reduced, and the fund flow rate, the financing efficiency and the social resource utilization rate are improved.
Owner:中通服创发科技有限责任公司

GPSR secure routing protocol implementation method based on block chain trust model

The invention provides a GPSR security routing protocol implementation method based on a block chain trust model. The method comprises the following steps of: S10, enabling a trusted authority (TA) to initialize vehicle network system parameters according to an RSA algorithm; S20, when the vehicle enters the Internet of Vehicles, performing network access identity authentication; S30, periodically broadcasting a real coordinate position after any node vehicle-mounted unit OBUi completes network access authentication, adjusting a trust value of the OBUi based on a Tmbore trust model, and completing node routing role judgment and block chain storage according to the trust value; and S40, performing secure routing calculation. According to the GPSR secure routing protocol implementation method based on the block chain trust model, the mobile edge computing technology and the block chain technology are combined, and the Tmbore trust model is designed and used for improving the security of a GPSR routing protocol, realizing secure and reliable storage of trust values and lightweight discrimination of authenticity and reliability of routing nodes, and improving the security of the GPSR routing protocol, and improving the security of the GPSR routing protocol is improved.
Owner:NANTONG UNIVERSITY +1

A microsatellite multiplex pcr method for paternity identification of oyster oyster

The invention discloses a microsatellite multiplex-PCR (Polymerase Chain Reaction) method for carrying out a paternity testing on crassostrea gigas. The microsatellite multiplex-PCR method comprises the following steps of extracting parent and offspring DNA (Deoxyribose Nucleic Acid); carrying out multiplex-PCR amplification on extracted DNA samples by using 18 microsatellite sites and M13 (-21) universal primers with fluorescent marks; detecting a fluorescent signal of an amplified product, and obtaining parent and offspring gene type data; carrying out genetic relationship identification on the parent and the offspring. The microsatellite multiplex-PCR method disclosed by the invention verifies that two groups of multiplex-PCR combinations are used for carrying out the paternity testing on 12 crassostrea gigas full-sib families, so that the identification success rate is up to 100 percent; a set of DNA mark-based paternity testing technology which is economic and effective and is high in accuracy is provided for the crassostrea gigas; by a genealogical relationship record obtained through microsatellite mark identification, producing places of individual crassostrea gigas can be traced back, so that a tracking and source tracing technology of crassostrea gigas products can be established, and powerful technical support can be provided for solving food safety problems which are increasingly concerned by people in nowadays society.
Owner:OCEAN UNIV OF CHINA
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