Title:
SETTLEMENT SYSTEM, SETTLEMENT METHOD, USER DEVICE, AND SETTLEMENT PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/059865
Kind Code:
A1
Abstract:
Provided is a settlement system comprising: a service provider device 2 that transmits a model information transaction, which contains a transaction model, to a first blockchain network 4; a user device that transmits a payment information transaction, which contains a payment amount and an electronic signature generated using the transaction model, to the first blockchain network 4; and a smart contract 41. The smart contract 41 verifies the electronic signature using the payment amount and the transaction model. The service provider device 2 generates a settlement transaction using the transaction model, the electronic signature, and the payment amount, and transmits the settlement transaction to a second blockchain network 3. A plurality of output conditions are set in the transaction model. The settlement transaction can be used when any of the plurality of output conditions is met.
Inventors:
OHASHI SHIGENORI (JP)
NAKADAIRA ATSUSHI (JP)
FUJIMURA SHIGERU (JP)
CHIKADA MASAYOSHI (JP)
ISHIDA TATSURO (JP)
WATANABE HIROKI (JP)
HIDAKA KOTA (JP)
KISHIGAMI JUNICHI (JP)
NAKADAIRA ATSUSHI (JP)
FUJIMURA SHIGERU (JP)
CHIKADA MASAYOSHI (JP)
ISHIDA TATSURO (JP)
WATANABE HIROKI (JP)
HIDAKA KOTA (JP)
KISHIGAMI JUNICHI (JP)
Application Number:
PCT/JP2019/037063
Publication Date:
March 26, 2020
Filing Date:
September 20, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06Q20/22; G06F21/64; H04L9/32
Domestic Patent References:
| WO2018020389A2 | 2018-02-01 |
Foreign References:
| JP2017204070A | 2017-11-16 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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