Blockchain-based trustable gurantees

A blockchain and blockchain network technology, applied in the field of trusted guarantees, can solve problems such as time-consuming, expensive, and inefficient message routing

Active Publication Date: 2020-07-14
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
Comparison scheme
Effect test

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, by a blockchain node of a first blockchain network, a cross-chain request for relaying a cyphertext of a digital document to a second blockchain network, wherein the cross-chain request issent from a first computing device associated with a guarantor, the digital document specifies a guarantee from the guarantor and one or more predetermined conditions of executing the guarantee; storing the cross-chain request and the cyphertext to a first blockchain associated with the first blockchain network based on performing a consensus algorithm; receiving a message from a second computingdevice for relaying information between the first blockchain network and the second blockchain network, the message includes a confirmation that the guarantee is accepted by the beneficiary and storedon a second blockchain associated with the second blockchain network; and updating a status of the guarantee to indicate that the guarantee has been voided on the first blockchain.

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): H04L9/32H04L9/08H04L29/06H04L29/08G06Q40/04
CPCH04L9/3218H04L9/0866H04L63/0876H04L67/104H04L67/1097H04L2209/60H04L2209/603G06Q40/04H04L9/50G06Q40/00H04L9/3239H04L9/008G06Q30/0609H04L63/12G06F21/64G06Q20/02G06Q20/40H04L9/085H04L9/3221H04L2209/463H04L2209/56
Inventor 陆旭明邵佳翼
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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