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公开(公告)号：EP4418187A1
公开(公告)日：2024-08-21
申请号：EP22880224.5
申请日：2022-10-09
发明人： ZHAO, Tianwu , JIANG, Zhihua , XU, Kefeng
IPC分类号： G06Q20/36
摘要： Provided are a payment tokenization method, apparatus and system based on a digital currency sub-wallet. One specific embodiment of the method includes: parsing a payment token acquisition request of a user, so as to obtain a target digital wallet, a target merchant, and a wallet payment password corresponding to the target digital wallet; sending the wallet payment password to an operating system of the target digital wallet, so that the operating system of the target digital wallet verifies the wallet payment password; in the case that the verification is passed, sending a sub-wallet opening request to the operating system of the target digital wallet; and in the case that wallet opening is successful, sending a payment token generation request to a token service provider, so that the token service provider generates a payment token corresponding to a digital currency sub-wallet.
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2.发明公开
公开(公告)号：EP4318355A1
公开(公告)日：2024-02-07
申请号：EP22778629.0
申请日：2022-03-21
发明人： LIANG, Wei , XU, Kefeng , BIAN, Yongchao
摘要： Methods and apparatuses for generating, verifying and storing a transaction voucher, devices and a system are provided. The method includes: in response to a received transaction request, chain structure data of a digital currency is acquired, the chain structure data including a first currency string (S101); and a transaction voucher corresponding to a denomination of a current transaction is generated based on the chain structure data, the transaction voucher including a second currency string of a corresponding denomination and a second sub-chain, and the second sub-chain including current transaction information of the second currency string (S102). On the one hand, a pay warrant is provided for a transaction, so that the transaction is traceable, and the security of the transaction is ensured. On the other hand, the reading and storage efficiency of transaction data can be improved, and the transaction efficiency and the user experience can also be improved.
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