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. 22, 2022
Filed:
Dec. 29, 2018
Applicant:
Advanced New Technologies Co., Ltd., Grand Cayman, KY;
Inventor:
Guilu Xie, Hangzhou, CN;
Assignee:
ADVANCED NEW TECHNOLOGIES CO., LTD., Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3297 (2013.01); H04L 63/1416 (2013.01); H04L 63/1425 (2013.01); H04L 2209/38 (2013.01);
Abstract
A computer-implemented method for detecting replay attack comprises: obtaining at least one candidate transaction for adding to a blockchain, the obtained candidate transaction comprising a timestamp; verifying if the timestamp is within a validation range and if an identification of the candidate transaction exists in an identification database; and in response to determining that the timestamp is within the validation range and the identification does not exist in the identification database, determining that the candidate transaction is not associated with a replay attack.