Method and system for using digital currency based on block chain as well as terminal

A technology of digital currency and blockchain, applied in the field of communication, can solve problems such as the inability to guarantee the security of digital currency, and achieve the effect of improving security

Active Publication Date: 2017-06-13
中钞信用卡产业发展有限公司杭州区块链技术研究院 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing digital currency wallet solutions all back up the private key online to form a backup digital currency wallet. Although many security measures have been taken to ensure the security of a

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  • Method and system for using digital currency based on block chain as well as terminal
  • Method and system for using digital currency based on block chain as well as terminal
  • Method and system for using digital currency based on block chain as well as terminal

Examples

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Embodiment Construction

[0054] The core of the present invention is to provide a method, system and terminal for using blockchain-based digital currency, and improve the security of the blockchain digital currency wallet through a security chip and a trusted execution environment.

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] The specific implementation of this embodiment includes three layers: the bot...

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PUM

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Abstract

The invention discloses a method and system for using digital currencies based on a block chain as well as a terminal. The method comprises the following steps: a digital currency client sends a request for applying a digital certificate to a block chain, and receives the corresponding customer information returned by the block chain after identity and request verification; a digital certificate application is sent to a security chip through a trusted execution environment according to the customer information; the security chip generates a key pair and a digital currency wallet address according to the customer information, and outputs the digital currency wallet address to the digital currency client through the trusted execution environment; the digital currency client sends the digital currency wallet address to the block chain to ensure that the block chain acquires the digital certificate from the authentication center according to the digital currency wallet address; and the digital currency client receives the digital certificate sent by the block chain, and sends a digital certificate installation request to the security chip through the trusted execution environment to ensure that the security chip is provided with the digital certificate. Thereby, the security of the block chain digital currency wallet can be increased through the security chip and the trusted execution environment.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, system and terminal for using blockchain-based digital currency. Background technique [0002] In the current Bitcoin system, the Bitcoin address is the public key in a set of asymmetric keys, which are generated by the elliptic algorithm. The address and private key of the user account are stored in the Bitcoin wallet (that is, the digital currency wallet) file, and the private key is encrypted and decrypted by the Bitcoin client software. Currently, digital currency wallet technologies based on blockchain technology are all based on Bitcoin, which can be classified into: web wallets, multi-signature wallets, desktop wallets, and mobile wallets. [0003] Due to the decentralization and anonymity of the entire bitcoin system, once the digital currency wallet is lost, the bitcoins stored in all addresses in the digital currency wallet may be stolen. Once...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04L9/30H04L9/32G06Q20/06
Inventor 张一锋
Owner 中钞信用卡产业发展有限公司杭州区块链技术研究院
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