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:
May. 31, 2022

Filed:

Feb. 23, 2018
Applicant:

Bundesdruckerei Gmbh, Berlin, DE;

Inventors:

Andreas Wilke, Berlin, DE;

David Fabian, Berlin, DE;

Ilya Komarov, Berlin, DE;

Manfred Paeschke, Wandlitz, DE;

Assignee:

Bundesdruckerei GMBH, Berlin, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/64 (2013.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06F 21/64 (2013.01); H04L 9/3236 (2013.01); H04L 2209/38 (2013.01);
Abstract

The method includes generating an additional block for expanding a blockchain structure, which includes the data to be stored and is intended to be linked bidirectionally to the last block of the blockchain structure; calculating a first check value of the last block for bidirectionally linking the additional block to the last block of the blockchain structure; calculating a check value of the additional block for bidirectionally linking the additional block to the last block of the blockchain structure; adding the first check value of the last block to the last block and; adding the check value of the additional block to the additional block.


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