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A one-to-many payment method and system under the chain with the characteristics of decentralization

A decentralized and characteristic technology, applied in the field of information security, can solve the problems of low centralization of off-chain payment flexibility, and achieve the effect of improving security performance

Active Publication Date: 2021-04-06
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an off-chain one-to-many payment method and system with decentralized characteristics to solve the problem of low flexibility and centralization of off-chain payment in the payment system

Method used

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  • A one-to-many payment method and system under the chain with the characteristics of decentralization
  • A one-to-many payment method and system under the chain with the characteristics of decentralization
  • A one-to-many payment method and system under the chain with the characteristics of decentralization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] figure 1 It is a schematic flow chart of the off-chain one-to-many payment method with decentralized characteristics in Embodiment 1 of the present invention. Such as figure 1 As shown, the off-chain one-to-many payment method with decentralized characteristics in this embodiment includes the following steps:

[0072] Step 100: Generate public parameters of the blockchain system, a first private key, a first public key, a second private key and a second public key. The public parameters of the blockchain system are generated by the issuer; the first private key is a private key generated by the payer, and the first public key is a public key generated by the payer; the second private key is a private key generated by the payee, and the second public key is a public key generated by the payee.

[0073] Inputting security parameters into the blockchain system can automatically output the public parameters of the system. According to the public parameters and security ...

Embodiment 2

[0097] This embodiment is the system corresponding to Embodiment 1, figure 2 It is a schematic structural diagram of an off-chain one-to-many payment system with decentralized characteristics in Embodiment 2 of the present invention, as shown in figure 2 As shown, the off-chain one-to-many payment system with decentralized features in this embodiment includes: initialization module 210, channel establishment and deposit module 220, verification module 230, payment module 240, collection module 250, settlement module 260 .

[0098] The initialization module 210 is used to generate the public parameters of the block chain system, the first private key, the first public key, the second private key and the second public key; the public parameters of the block chain system are generated by the issuer; the The first private key is a private key generated by the payer, and the first public key is a public key generated by the payer; the second private key is a private key generate...

Embodiment 3

[0152] Figure 4 It is a structural diagram of an off-chain one-to-many payment system with decentralized characteristics in Embodiment 3 of the present invention. Such as Figure 4 As shown, this embodiment includes three types of entities: nodes, payers and payees. Wherein, the public key and private key of the payer and payee can be expressed as (SK, PK).

[0153] Figure 5 It is a schematic diagram of an off-chain one-to-many payment system and basic cryptographic tools with decentralized characteristics in Embodiment 3 of the present invention. Such as Figure 5 As shown, in this embodiment, the initialization is completed independently by the node, the payer and the payee, the channel establishment and coin deposit are independently completed by the payer, the verification is completed by the node, the payment is completed by the payer, and the collection is completed by the payee Complete, the settlement is done by the payer and payee. Each process involves crypto...

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Abstract

The invention discloses an off-chain one-to-many payment method and system with the characteristic of decentralization. The method includes: generating the public parameters of the blockchain system, the private key and public key of the payer, and the private key and public key of the payee; The nodes of the block chain system verify the validity of the prepayment amount, frozen amount, and channel establishment and coin deposit request transaction order; if valid, store the channel establishment and coin deposit transaction order in the blockchain system; if invalid, reject the channel establishment and coin deposit request transaction order; Deposit transaction slip; the payer signs the payment amount and sends the payment signature to the payee; the payee verifies the validity of the payment; if valid, the payee accepts the transaction; if invalid, the payee rejects the transaction; The payer settles with the nodes of the blockchain system, and withdraws the received amount to the payee's account address. The invention can solve the problems of low flexibility and centralization of off-chain payment in the payment system.

Description

technical field [0001] The present invention relates to the field of information security, in particular to an off-chain one-to-many payment method and system with the characteristic of decentralization. Background technique [0002] Electronic payment systems try to provide users with a payment method that is as flexible and efficient as possible. Electronic payment usually advocates the use of the client, that is, the use of a trusted third party to complete the transaction, providing users with a flexible service. The existence of a trusted third party, although flexible, also reveals some preferences of users and reduces the privacy protection of users. For application scenarios with high privacy protection, a decentralized blockchain system has been developed. In 2008, Satoshi Nakamoto proposed the blockchain and used it to serve Bitcoin's public transaction ledger. [0003] The blockchain system has the following five key advantages: 1. The blockchain facilitates on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q20/38
CPCG06Q20/3825G06Q20/3827G06Q20/3829
Inventor 伍前红钟林
Owner BEIHANG UNIV
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