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.
Patent No.:
Date of Patent:
Mar. 18, 2025
Filed:
Apr. 22, 2020
Applicant:
Nchain Licensing Ag, Zug, CH;
Inventors:
Assignee:
nChain Licensing AG, Zug, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
H04L 9/3252 (2013.01); H04L 9/3239 (2013.01); H04L 9/50 (2022.05);
Abstract
A computer-implemented method comprising, at a verifying nodes of a blockchain network: obtaining a first transaction which comprises runnable code; receiving a second transaction which includes information comprising at least a submitted instance of an r-part and an s-part of a first ECDSA signature, and further comprising a nonce; and miming the code from the first transaction. The code is configured to verify that H(ƒ(r, d)) meets a predetermined condition defined in the code, and to return a result of true on condition thereof, where r is the submitted instance of the r-part, d is the nonce, His a hash function, and f is a function combining q and d.