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:
Apr. 13, 2021
Filed:
Mar. 06, 2020
Advanced New Technologies Co., Ltd., Grand Cayman, KY;
Advanced New Technologies Co., Ltd., Grand Cayman, KY;
Abstract
Implementations of this specification provide for monitoring time certificate generation requests. An example method performed by a database service that stores data in a blockchain includes, in response to receiving a time certificate generation request, determining a starting block height Hand an ending block height Hof a target ledger of the blockchain corresponding to the time certificate generation request; in response to determining that the starting block Hof the target ledger is greater than a block height H of time authenticated data blocks maintained by the database service, executing the time certificate generation request; and in response to receiving a time certificate generated by a time authentication service for the time certificate generation request, changing a value of the block height H of time authenticated data blocks maintained by the database service to the ending block height Hof the target ledger.