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:
Jul. 29, 2025

Filed:

Aug. 20, 2023
Applicant:

Nchain Licensing Ag, Zug, CH;

Inventors:

Silvia Bartolucci, London, GB;

Pauline Bernat, London, GB;

Daniel Joseph, London, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/00 (2022.01); H04L 9/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/006 (2013.01); H04L 9/0643 (2013.01); H04L 9/085 (2013.01); H04L 9/3213 (2013.01); H04L 9/3239 (2013.01); H04L 9/50 (2022.05);
Abstract

A computer-implemented method for submitting feedback for an entity to a blockchain is disclosed. The method, which is implemented at one of a plurality of participating nodes, includes: obtaining a first key, the first key being one of a fixed set of keys distributed to participating nodes that are eligible to submit feedback for the entity; generating first feedback (r) of the entity for submission to the blockchain; encrypting the first feedback (r) using at least the first key; and submitting the encrypted first feedback to a mixing service, the mixing service being configured to generate a mixed transaction based on the encrypted first feedback and at least one other encrypted feedback submission from one or more eligible participating nodes.


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