The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 30, 2026

Filed:

Jul. 24, 2017
Applicant:

Nchain Holdings Limited, St. John's, AG;

Inventors:

Stephane Savanah, London, GB;

Craig Steven Wright, London, GB;

Ying Chan, London, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06Q 20/22 (2012.01); G06Q 20/38 (2012.01);
U.S. Cl.
CPC ...
G06Q 20/29 (2013.01); G06Q 20/223 (2013.01); G06Q 20/3827 (2013.01); G06Q 20/389 (2013.01); G06Q 2220/00 (2013.01);
Abstract

The invention provides a computer-implemented method for performing an exchange via a blockchain, comprising the step of submitting a funding transaction to the blockchain network, wherein the funding transaction i) comprises a tokenised contract relating to an asset to be transferred from a second user to a first user; and ii) is signed by the first user. It also comprises the step of sending, from the first user to the second user, one or more subsequent transactions wherein each said subsequent transaction spends an output of the funding transaction and is signed by the first user. It includes the step of submitting one of the subsequent transactions to the blockchain network, the submitted transaction having been signed by the second user.


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