Digital currency film intelligent card, digital currency transaction system and digital currency transaction method

Abstract

The invention discloses a digital currency film intelligent card which is attached to an SIM card and inserted into a mobile phone card slot along with the SIM card. The digital currency film intelligent card comprises: a hardware digital currency application module used for managing digital currency, wherein the hardware digital currency application module comprises a digital currency storage module used for storing digital currency of a user; a digital currency security module, which is used for encrypting and signing the digital currency to be paid and identifying the identity of the user at the same time; and a withdrawing processing module, a depositing processing module and a consumption processing module, which are used for depositing, withdrawing and consuming the digital currency. As a new digital currency chip card form, the invention provides a corresponding digital currency transaction system and transaction method, which effectively realizes the digital currency wallet function and has high security.

Description

Technical field [0001] The present invention relates to the field of digital currency technologies, in particular to digital currency trading technologies for digital currency film smart cards. Background technique [0002] Digital currency is a currency that converts cash values ​​to a series of electronic encrypted sequences, and the safety of currency itself is protected by a cryptographic algorithm. With the development of mobile Internet, mobile payment industry rapid change, based on mobile Internet, NFC (NEAR Field Communication, close wireless communication technology), HCE (Host Cardemulation, card simulation), biometric business models Continuous innovation, the application scenario has expanded rich, online, offline business integration and acceleration. With the transformation and upgrading of communications, finance, Internet and other industries, mobile payment has become a broad consensus of the whole industry, and mobile payments are considered to be an important ...

AI Technical Summary

Problems solved by technology

[0016] Mobile phone - secure SD card, due to the limitation of mobile phone hardware space, most mobile phone manufacturers have eliminated or castrated the SD card slot hardware, making the coverage of mobile phones supporting SD cards smaller and smaller, and the applicable groups are not wide enough;

Images