Digital currency wallet logout method and system

Abstract

The invention discloses a digital currency wallet logout method and system, relating to the technical field of computers. A specific embodiment of the method comprises the following steps: confirmingthat digital currency balance in a to-be-logged-out wallet is zero by a digital currency wallet terminal according to a request for logging out the digital currency wallet submitted by a user, and transmitting a signed logout instruction to a wallet service provider, wherein the signed logout instruction comprises a wallet certificate and a wallet identifier; confirming that the received signed logout instruction has legality by the wallet service provider, and logging out the wallet certificate and the wallet identifier of the to-be-logged-out wallet; and transmitting the signed logout instruction to a digital currency issuance registration agency by the wallet service provider. If the digital currency issuance registration agency confirms that the received signed logout instruction has legality, the wallet certificate and the wallet identifier of the to-be-logged-out wallet are logged out.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and system for canceling a digital currency wallet. Background technique [0002] Digital currency is a legal currency represented by a series of strings, and the security of digital currency is protected by cryptographic algorithms. At present, it is generally believed that digital currency is issued by the central bank or authorized by the central bank. It is a legal tender in the form of an encrypted digital string representing a specific amount, including the amount of digital currency, the identifier of the issuer, and the identifier of the owner. Digital currency is built on the platform of today's mature computer technology and Internet technology, and is now issued by the central bank as the core system of digital currency and enters the field of circulation. [0003] The existing electronic or digital wallets are all based on the account system. The function ...

AI Technical Summary

Problems solved by technology

[0004] In the process of realizing the present invention, the inventors found that there are at least the following problems in the prior art: the existing wallet and the digital currency issuer do not have an interaction and access mechanism between the systems, so they cannot support the digital currency issued by the digital currency issuer; Moreover, it is impossible to fully realize all the functions of a complete digital currency wallet entity based on the terminal environment, including the underlying complete, high-level security key and authentication security module, as well as the actual storage and custody of digital currency, and the direct transfer of digital currency between wallets and other functions; existing wallets rely too much on wallet service providers or commercial banks in terms of key management, and there are deficiencies in wallet security, and localized security technologies are not fully utilized; private quasi-digital currency wallets with Bitcoin as tokens are only Manage keys and have no connection with real identities, cannot be integrated with existing financial infrastructure, and cannot be well applied to existing financial services and transaction scenarios

Therefore, the deregistration method of existing wallets does not apply to the deregistration of digital currency wallets

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