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:
Aug. 20, 2024
Filed:
Jun. 17, 2022
Applicant:
Research Foundation of the City University of New York, New York, NY (US);
Inventors:
Vladimir Shpilrain, New York, NY (US);
Dima Grigoriev, New York, NY (US);
Assignee:
Research Foundation of the City University of New York, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/06 (2006.01); H04L 9/00 (2022.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0643 (2013.01); H04L 9/3239 (2013.01); H04L 9/50 (2022.05);
Abstract
A method for redacting a private blockchain comprises applying a hash function to a prefix and new content to compute a hash for a block of the blockchain; performing a modulo operation to convert the hash to an integer modulo; determining an inverse of the integer modulo; computing a redactable suffix from the prefix and the inverse of the integer modulo; replacing current content of the blockchain with the new content; and applying the redactable suffix to the block having the new content.