An identity authentication method and a device based on a block chain

Abstract

The present application discloses an identity authentication method and device based on block chain, The method includes: the first block chain node determines at least one second user associated withthe first user according to the identity information of the first user, and sends an authentication request to the at least one second block chain node logged in by the second user, wherein the authentication request includes the identity information of the first user; the authentication information sent by at least one of the first block chain nodes is received, and the identity of the first user is authenticated according to the authentication information and the set identity authentication contract. By virtue of the untamperable nature of the block chain network, the identity of the traderwho has not been authenticated is authenticated by the trader who has the authority to authenticate, and according to the generated authentication information and the set identity authentication contract, trader identity authentication is achieved, the authenticity of trader identity information is effectively ensured, the credibility of the identity information of trading members in the OTC market is ensured, the risk of trading in the OTC market is reduced.

Description

technical field [0001] This application relates to the technical fields of computer processing and financial technology, and in particular to a block chain-based identity authentication method and device. Background technique [0002] OTC (Over-The-Counter; over-the-counter trading) refers to the transactions of creditor's rights and equity in markets other than stock exchanges. It is mainly a one-to-one transaction between the two parties through private negotiation. [0003] The OTC market is completely different from the exchange market: there is no fixed place, no membership requirements, no strict and controllable rules and regulations, and no restrictions on trading products. In other words, in the OTC market, both parties to the transaction need to bear their own credit risks. Therefore, in the OTC market, transactions can only be carried out after the two parties have established credit. [0004] In actual business scenarios, in order to ensure the security and re...

AI Technical Summary

Problems solved by technology

[0003] The OTC market is completely different from the exchange market: there is no fixed place, no membership requirements, no strict and controllable rules and regulations, and no restrictions on trading products

In other words, in the OTC market, both parties to the transaction need to bear the credit risk

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