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Blockchain-based trustable gurantees

A blockchain and guarantor technology, applied in digital data protection, homomorphic encryption communication, secure communication devices, etc., can solve problems such as expensive, time-consuming, and low message routing efficiency

Active Publication Date: 2020-06-30
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to different international technical or financial regulations, messages may pass through multiple nodes before reaching their final destination, making them time-consuming, expensive and lacking transparency
When more than two parties are involved, message routing between multiple parties becomes less efficient under a peer-to-peer infrastructure

Method used

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  • Blockchain-based trustable gurantees
  • Blockchain-based trustable gurantees
  • Blockchain-based trustable gurantees

Examples

Experimental program
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Embodiment Construction

[0058] This paper describes techniques for processing letters of guarantee based on blockchain networks. These techniques generally involve receiving, from a computing device associated with the applicant, an application for a bond issued by at least a first guarantor to a beneficiary, wherein the application includes information related to the identity of the applicant, the identity of the beneficiary, and one or more information associated with a plurality of predetermined conditions; generating a digital version of the bond based on information included in the application; encrypting the digital version to generate a ciphertext of the bond; generating a or Multiple zero-knowledge proofs (ZKPs); the ciphertext of the guarantee to the blockchain network and one or more zero-knowledge proofs to store the ciphertext of the guarantee on the blockchain, where the ciphertext of the guarantee is in one or After multiple zero-knowledge proofs are successfully verified by the blockch...

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Abstract

Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for processing blockchain-based guarantee information. One of the methods includesreceiving a cyphertext of a digital document specifying a guarantee and one or more zero-knowledge proofs (ZKPs) related to one or more values associated with the guarantee; verifying the one or moreZKPs; upon successfully verifying the one or more ZKPs, storing the cyphertext to a blockchain based on performing a consensus algorithm; receiving a drawdown request of the guarantee from a first computing device associated with the beneficiary or a representative of the beneficiary; storing the drawdown request to the blockchain based on performing a consensus algorithm; and delivering a first message about the drawdown request to a second computing device.

Description

technical field [0001] This paper deals with the provision of trusted letters of guarantee based on blockchain technology. Background technique [0002] A distributed ledger system (DLS), which may also be referred to as a consensus network and / or a blockchain network, enables participating entities to store data securely and immutably. Without referencing any specific use case, DLS is often referred to as a blockchain network. Examples of types of blockchain networks may include public blockchain networks, private blockchain networks, and consortium blockchain networks. The consortium blockchain network is provided for a selected group of entities that control the consensus process, and the consortium blockchain network includes an access control layer. [0003] Digital networks have enabled people around the world to find information and interact easily and efficiently. For example, social media platforms make it easy for people to share messages, photos and videos with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38G06F21/62G06F21/64G06F21/53H04L9/32H04L29/08
CPCG06Q20/3829G06Q20/3827G06Q20/3825G06F21/6245G06F21/64G06F21/53H04L9/3218H04L67/1097H04L9/008H04L9/3239G06Q20/12H04L63/12H04L9/50G06Q20/3823G06Q2220/00H04L9/0637H04L9/0643
Inventor 陆旭明周徽叶国俊
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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