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Random source generation method, electronic equipment, system and medium

An electronic device and random source technology, applied in the blockchain field, can solve the problem that the random source is easy to be manipulated, and achieve the effects of randomness, improved security, and improved efficiency

Inactive Publication Date: 2019-10-18
SHENZHEN THUNDER NETWORK TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] To sum up, in non-POW systems, it is necessary to solve the problem that random sources are easily manipulated

Method used

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  • Random source generation method, electronic equipment, system and medium
  • Random source generation method, electronic equipment, system and medium
  • Random source generation method, electronic equipment, system and medium

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Embodiment Construction

[0068] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0069] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments describ...

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Abstract

The invention provides a random source generation method, electronic equipment, a system and a medium. The method comprises the following steps: acquiring a plurality of verifiers; based on a verifiable random function algorithm, selecting from the plurality of verifiers to obtain a threshold group with at least one group member; when a target hash value sent by the group member in a transaction form is received, recording the target hash value to a node of a block chain; when character strings sent by the group members in a transaction form are received, verifying the validity of each character string based on the target hash value, and determining the valid character strings as target character strings; calculating a first number of the target character strings and a second number of thetarget hash values; and when the first number and the second number meet a configuration condition, generating a random source according to the target character string. According to the method, the random source which is random, unpredictable and difficult to control can be efficiently generated in the blockchain system, so that the security of the system is improved.

Description

technical field [0001] The present invention relates to the technical field of block chains, in particular to a method for generating a random source, electronic equipment, a system and a medium. Background technique [0002] In the blockchain system, the source of randomness plays a very important role. A source of randomness should be random enough, unpredictable, and difficult to manipulate. Sufficient randomness is to ensure sufficient fairness, unpredictability is to improve security, and difficulty in manipulation is also to improve security, so as to prevent someone from manipulating the random source to develop in a direction that is beneficial to oneself. In existing systems, block hash (Hash) is mostly used as a random source to generate random numbers. The Hash of the block is random enough, and it is difficult to be predicted by others before the block is generated. However, using the block Hash as a random source has certain defects: it is easy to be manipulat...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04L29/06G06F7/58H04L9/32
CPCH04L9/0869H04L63/12G06F7/588H04L9/3236H04L9/50
Inventor 李海友
Owner SHENZHEN THUNDER NETWORK TECH