Digital currency trading method, device and system and mobile terminal

Abstract

The embodiment of the invention discloses a digital currency trading method, device and system and a mobile terminal. A payee device generates a collection message based on the first security unit andsends the collection message to the payer device. A payer device receives the collection message, reduces the amount of digital money in the offline account of the payer according to the collection message and generates a payment message including the transaction amount based on the second security unit, and sends the payment message to the payer device. The payee device receives the payment message and increases the digital currency amount in the offline account of the payee according to the transaction amount included in the payment message. The digital currency trading method, device and system and the mobile terminal of the embodiment of the invention can realize the digital currency trading under the offline condition.

Description

Technical field [0001] The present invention relates to the technical field of digital currency, in particular to a digital currency transaction method, device, system and mobile terminal. Background technique [0002] With the continuous development of Internet technology, digital currency has received more and more attention and recognition. It can not only save the cost of issuance and circulation, but also improve the efficiency of transaction or investment, and enhance the convenience and convenience of economic transaction activities. transparency. [0003] Generally speaking, digital currency can include the electronic form of legal tender and the electronic form of non-statutory currency. The electronic forms of legal currency such as bank cards, online banking, Alipay, WeChat and other electronic currencies; non-statutory monetization such as Tencent’s Q coin, Baidu’s Baidu coin and other virtual currencies, as well as Bitcoin, Wright Encrypted digital currency such as c...

AI Technical Summary

Problems solved by technology

[0004] At present, digital currency transactions based on centralized transaction structures and digital currency transactions based on centralized management distributed transaction structures cannot be carried out under offline conditions.

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