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Method and System for Trusted Evidence Storage Based on Scalable Distributed Query System

A distributed query and trusted technology, applied in the blockchain field, can solve problems such as non-scalability and difficult supervision of data sharing and exchange scenarios, and achieve the effect of low latency and load reduction.

Active Publication Date: 2022-07-12
PEKING UNIV
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Problems solved by technology

[0006] The present invention provides a trusted certificate storage method based on an extensible distributed query system and a trusted certificate storage system based on an extensible distributed query system, so as to overcome the difficulty of supervision and the problem of non-extensibility in data sharing and exchange scenarios

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  • Method and System for Trusted Evidence Storage Based on Scalable Distributed Query System
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  • Method and System for Trusted Evidence Storage Based on Scalable Distributed Query System

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Embodiment Construction

[0069] In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0070] In view of the above problems, an embodiment of the present invention proposes a trusted certificate deposit method based on an extensible distributed query system, which is applied to a P2P network system, where the P2P network system includes multiple nodes, and the method includes a deposit method and query method;

[0071] In traditional deposit methods, trusted deposit evidence is often associated with the difficulty of being tamper-proof. Traditional so-called tamper-proof blockchains are also not 100% guaranteed to be tamper-proof. For example, due to loopholes in smart contracts in Ethereum, hackers stole about $50 million worth of ether at that time (the ether at this time was not the current ether), and Vitalik...

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Abstract

The present invention provides a method and system for trusted certificate storage based on an extensible distributed query system, which is applied to a P2P network system, where the P2P network system includes multiple nodes; The acyclic graph ledger structure cooperates with the nRW consensus mechanism to solve the supervision problem in the process of large-scale sharing and exchange; for the above-mentioned non-scalability problem in the deposit process, the embodiment of the present invention also adopts the method of optimizing the number of hops. The number of hops of message transmission optimizes the P2P network system, and constructs a P2P network system with a relatively balanced network, so that the processing operation of the query result is evenly distributed to all nodes in the network, and the output degree is dynamically adjusted according to the computing power of the node. The size of the query will not have a great impact on the query delay under the premise of ensuring load balancing, which ensures the scalability of the system.

Description

technical field [0001] The invention relates to the technical field of blockchain, in particular to a trusted certificate storage method based on an extensible distributed query system and a trusted certificate storage system based on the scalable distributed query system. Background technique [0002] Data resources are the core force driving the development of the digital economy and a key element in improving the intelligence level and operational efficiency of the information society. They are regarded as strategic assets that determine future competitiveness. How to capitalize the huge data resources formed by the government, enterprises and institutions in the process of operation and make them become the "new oil" supporting the rise of the digital economy is a key challenge for the development of the digital economy. [0003] The realization of the value of data assets is a process of "moving" data. The safe and reliable flow, processing and integration of high-qual...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q20/38
CPCG06Q20/3829Y02D30/50
Inventor 蔡华谦朱晓旻景翔黄罡
Owner PEKING UNIV
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