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:
Jan. 10, 2023
Filed:
Nov. 25, 2020
Advanced New Technologies Co., Ltd., Grand Cayman, KY;
Hong Zhang, Hangzhou, CN;
Haitao Jiang, Hangzhou, CN;
Linqing Wang, Hangzhou, CN;
Xinyu Weng, Hangzhou, CN;
Fuqiang Li, Hangzhou, CN;
Feng Lin, Hangzhou, CN;
Jun Wu, Hangzhou, CN;
Xiaodong Zeng, Hangzhou, CN;
Lei Yang, Hangzhou, CN;
ADVANCED NEW TECHNOLOGIES CO., LTD., George Town, KY;
Abstract
Provided is a method for blockchain-based recordkeeping and implementable by a terminal device. The method comprises: obtaining target data; computing a data digest of the target data, and extracting a key segment from the target data; signing, in a secure operation environment included in the terminal device, the data digest and/or the key segment based on a private key associated with the terminal device to generate a signature; and submitting to a blockchain the data digest, the key segment, and the signature, for one or more nodes in the blockchain to verify the signature based on a public key corresponding to the private key, and to record the data digest and the key segment in the blockchain in response to the signature being verified to be valid.