区块链前沿 | 专利文献

Method for authorizing legal person based on personal certificate of blockchain, involves storing personal electronic certificate in electronic certificate library, and generating personal electronic certificate in legal person node

DONG M; ZHANG F; LUO S; YANG F; KOU L; SHEN C; CHEN F

NOVELTY - The method involves deploying a personal certificate authority blockchain platform based on a blockchain frame. The personal certificate authority blockchain platform is provided with a p...

Evolution method of fusion blockchain involves performing DNA genetic algorithm on blockchain, obtaining next generation population, evaluating next generation population and outputting optimal solution, and starting iteration process

LIU F; WANG H; QI J; ZHOU A; LI Z

NOVELTY - Evolution method of fusion blockchain involves performing DNA genetic algorithm on blockchain through intelligent contract operation DNA genetic algorithm, performing cross and mutation p...

Blockchain based electronic evidence judicial identification recording device, has cover set with sealing pad, and J-shaped body set with square-shaped block, where J-shaped body surface is set with spring that is fixed to rectangular body

BAO Z

NOVELTY - The device has a box body (1) whose upper end is rotatably connected with an outer cover (2). A lower end of the outer cover is provided with a display (5) and a sealing pad (4). An inner...

Method for managing financial credit information applied to internet credit system based on blockchain, involves verifying private key signature of specific credit node based on pre-obtained public key of specific credit mechanism node by other credit mechanism node

FAN Z; CHEN Y; TANG J; OU F; XIA W; HE H

NOVELTY - The method involves searching (501) the data abstract index of the credit information of the target user in the credit information blockchain by the first credit mechanism node, when the ...

Executing transaction in block chain system comprises using transaction contract and interface function for confirming variable existence and executing interface function and contract according to preset existence of variable

LIU X

NOVELTY - Executing transaction in block chain system comprises invoking a transaction contract and interface function for confirming existence of a variable, executing interface function before re...