Zero knowledge position proving method and system based on block chain

Zero knowledge position proving method and system based on block chain

The invention discloses a zero-knowledge position certification method and system based on a block chain, and the method comprises the steps: searching a witness in a preset range under the condition that a certifier needs to certify the position of the certifier, and transmitting a communication ke...

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Hauptverfasser: DENG JIANMING, WEN HAIXIN, QIU YANG, LIU LINHE, WU WEIMIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator DENG JIANMING
WEN HAIXIN
QIU YANG
LIU LINHE
WU WEIMIN
description The invention discloses a zero-knowledge position certification method and system based on a block chain, and the method comprises the steps: searching a witness in a preset range under the condition that a certifier needs to certify the position of the certifier, and transmitting a communication keeping request to the witness; under the condition that the reply of at least one target witness is received, sending a position certification request to the at least one target witness; and under the condition that positioning information of at least one target witness is received, a zero-knowledge proof request is sent to a verifier based on the positioning information, and the zero-knowledge proof request comprises a first coordinate point and a first parameter. By utilizing the characteristics of decentralization, tampering resistance, traceability and the like of the block chain and combining a zero-knowledge proof protocol, the problems existing in centralized position proof can be avoided, the confidentiality
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Zero knowledge position proving method and system based on block chain
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