Off-chain transaction method based on payment settlement

A transaction method and transaction technology, applied in the field of off-chain transactions based on payment knots, to achieve the effect of reducing overhead

Pending Publication Date: 2022-06-28
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Similarly, the patent does not involve the technical issues of reducing user deposits and reducing the number of transactions on the chain

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  • Off-chain transaction method based on payment settlement
  • Off-chain transaction method based on payment settlement
  • Off-chain transaction method based on payment settlement

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[0101] 1: Creation of payment knots.

[0102] Suppose user v 1 , v 2 , v 3 , v 4 , v 9 To create a payment knot, the user selects the algorithm for the selection, the selection steps are as follows figure 1 As shown, the creation process is as follows figure 2 shown, the final selected user is v 1 , v 2 , v 3 , v 4 . Therefore, the set of users of the first payment node created in the payment channel network is S 1 ={v 1 , v 2 , v 3 , v 4 }; for any user v in S i , the deposits of i=1, 2, 3, and 4 are: a 1，1 =5, b 1，1 =4, a 2，1 =6, b 2，1 =8, a 3，1 =7, b 3，1 =5, a 4，1=5, b 4，1 =5. The contribution value of each user in the payment knot is: v 1 : min(5, 4) = 4, v 2 : min(6,8)=6,v 3 : min(7,5)=5,v 4 : min(5,5)=5.

[0103] for user v 1 , if using traditional payment channels, v 1 may want and v 2 , v 3 , v 4 One of them completes a transaction with a transaction amount of 5, then in order to satisfy v 1 the needs of user v 1 need to be in the p...

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Abstract

The invention discloses an under-chain transaction method based on payment settlement, and the method comprises the steps: inputting a request for building a user set U of the payment settlement, taking the maximum stability as an optimization target, selecting n users from the set U to form the payment settlement, taking the formed payment settlement as a node in a payment channel, and distributing a transaction service charge according to the contribution of the user to the payment settlement; taking the sum of the length and the weight of the minimized transaction path as an optimization target, and selecting nodes one by one to construct a payment channel for transaction; and dynamically adjusting the reputation of the payment channel according to the number of rounds of transaction and the transaction result by taking the minimization of the disintegration rate of the payment as an optimization target. According to the invention, the transaction success rate can be improved, the total guarantee deposit of the user in the payment channel network is reduced, the number of transactions published on the block chain due to the disintegration of the payment channel is reduced, and in addition, the transaction volume can be improved without an additional channel balance mechanism for payment.

Description

technical field [0001] The invention belongs to the technical field of block chain and payment channel network, and in particular relates to a payment knot-based off-chain transaction method between multiple users of a payment channel network. Background technique [0002] Bitcoin has become increasingly popular and attracted many applications due to its ability to transfer money through a trustless, distributed and global financial network. Bitcoin adoption has experienced rapid growth, resulting in a rapid increase in the number of daily Bitcoin transactions. The core of the blockchain is decentralization, and all transaction information is confirmed by the entire network, making it highly secure. However, it is this network-wide confirmation mechanism that makes its information processing inefficient. Due to the limitations of the blockchain consensus mechanism, the maximum transaction rate of Bitcoin is only 7 transactions per second. Such throughput is much lower tha...

Claims

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Application Information

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IPC IPC(8): G06Q40/04G06Q20/38G06F16/27
CPCG06Q40/04G06Q20/382G06F16/27
Inventor 徐佳张耿直骆健李德强刘林峰徐力杰肖甫
Owner NANJING UNIV OF POSTS & TELECOMM
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