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:
Apr. 25, 2023

Filed:

Nov. 06, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Vishwanath Venkataramappa, Austin, TX (US);

Messaoud Benantar, Austin, TX (US);

David Y. Chang, Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/06 (2006.01); H04L 9/30 (2006.01); H04L 9/32 (2006.01); G06F 16/27 (2019.01); G06F 16/23 (2019.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
H04L 9/0637 (2013.01); G06F 16/2379 (2019.01); G06F 16/27 (2019.01); H04L 9/30 (2013.01); H04L 9/3268 (2013.01); H04L 9/50 (2022.05);
Abstract

An example operation may include one or more of connecting, by a recipient node, to a source node via a blockchain network, receiving, by the recipient node, a data block, a digest of the data block encrypted by a private key of the source node, a public key paired to the private key and an IP address of the source node, calculating, by the recipient node, a digest of the data block, decrypting, by the recipient node, the digest of the data block by the public key, comparing, by the recipient node, the decrypted digest against the digest, and in response to a match, storing the encrypted digest, the public key and the IP address of the source node onto a ledger of the recipient node.


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