Public rental house trusted numbering method of smart contract

A technology of smart contracts and public rental housing, applied in the blockchain field, can solve the problems of insufficient transparency in lottery process, insufficient random number, lack of credibility, etc., achieve timely information circulation, high automation of the whole process, and reduce communication costs.

Pending Publication Date: 2019-10-08
匿名科技(重庆)集团有限公司
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Problems solved by technology

There are also some groups who have migrated from other places to work in the city; however, the existing lottery system for public rental housi

Method used

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  • Public rental house trusted numbering method of smart contract

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Embodiment Construction

[0011] figure 1 This is a schematic flow diagram of the method in the present invention. As shown in the figure, a smart contract public rental housing trust lottery method in this embodiment. The lottery method first verifies the association between the real-name wallet account and the actual identity through secondary verification , Users who are eligible for lottery can register their personal lottery wallet address with the administrator to complete the qualification review. Realize the binding of personal address and identity information, avoid participants using multiple address lotteries, and undermine fairness.

[0012] For each lottery, the contract has a registration period. Lots will be drawn after the registration period is over.

[0013] The random number of the lottery draws uses the registered user information and the user registration time, combined with the block's highest node Hash to generate a random seed. The final random number seed is related to all partici...

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Abstract

The invention relates to the field of block chains, in particular to a public rental house trusted numbering method of a smart contract, which comprises the following steps of: firstly, auditing an association problem between an anonymous wallet address and an applicant real identity; after the registration time node is arranged, carrying out draw-in arrangement; and finally, enabling the lotteryrandom number to generate a random number seed by adopting the registration user information and the user registration time and combining the highest node Hash of the block. The new lottery system isfair, fair and public, the whole process is high in automation, the information circulation is timely, the government office efficiency is improved, and the communication cost is reduced.

Description

Technical field [0001] The invention relates to the field of blockchains, in particular to a method for credible lottery of public rental houses based on smart contracts. Background technique [0002] Public rental housing refers to the guarantee provided by the state to provide policy support, limit construction standards and rent levels, and provide guarantee for renting out to urban middle- and lower-income households with housing difficulties, newly employed workers without housing, and migrant workers who have stable employment in urban areas that meet the specified conditions Sex housing. Public rental housing is not owned by individuals, but owned by the government or public institutions. It is rented out to newly employed employees at a price lower than the market price or a price that the tenant can afford, including some new college graduates, including some retired elderly and disabled people. There are also some groups who migrate from other places to work in cities...

Claims

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Application Information

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IPC IPC(8): G06Q10/10G06Q30/06G06Q50/16G06Q50/26G06F7/58
CPCG06Q10/10G06Q30/0645G06Q50/16G06Q50/26G06F7/588
Inventor 张富强
Owner 匿名科技(重庆)集团有限公司
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