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1. (WO2018177191) METHOD AND DEVICE FOR DETERMINING TRANSACTION LEGALITY OF BASED ON BLOCKCHAINS

Pub. No.:    WO/2018/177191    International Application No.:    PCT/CN2018/080024
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Fri Mar 23 00:59:59 CET 2018
IPC: G06Q 20/38
G06Q 40/04
Applicants: SHANGHAI RUIQIWEI NETWORK TECHNOLOGY CO., LTD.
上海瑞麒维网络科技有限公司
Inventors: LI, Lizhong
李立中
Title: METHOD AND DEVICE FOR DETERMINING TRANSACTION LEGALITY OF BASED ON BLOCKCHAINS
Abstract:
Embodiments of the present invention relate to a method and device for determining transaction legality based on blockchains. The method comprises: determining transaction information of at least one transaction in a blockchain, the transaction information of the at least one transaction comprising account information and the number of digital currencies with the transaction information corresponding to at least one number of the digital currencies, wherein each number uniquely marks a certain quantity of digital currencies of a level statistic unit; determining the quantity of the digital currencies with the same number corresponding to different transaction information of the same account according to the account information and the at least one number; and when the quantity of the digital currencies with the same number corresponding to different transaction information of the same account exceeds a threshold, determining that illegal transactions are contained in the account. According to the present invention, determining illegal transactions by means of digital currencies is implemented, which reduces the possibility of money laundry of using digital currencies on the basis of blockchains.