Influential Alipay (Hangzhou) Information Technology Co., Ltd. Blockchain Patent – Data security of shared blockchain data storage based on error correction code – US11057190

U.S. Patent 11057190 was awarded to Alipay (Hangzhou) Information Technology Co., Ltd. on July 06, 2021 and is entitled “Data security of shared blockchain data storage based on error correction code.” The first named inventor is Haizhen Zhuo of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, systems, and computer-readable media for storing blockchain data. Exemplary methods includes receiving a request from a blockchain node requesting removal from a blockchain network; identifying a plurality of blocks associated with blockchain data stored by the blockchain node; determining: a first difference between a number of remaining blockchain nodes excluding the blockchain node requesting removal and a maximum number of tolerable faulty blockchain nodes, a second difference between the number of remaining blockchain nodes storing a dataset of information bits or redundant bits divided from an ECC-encoded version of the block and the number of remaining blockchain nodes storing a dataset of redundant bits divided from the ECC-encoded version of the block, and smaller of the first and second difference; and retrieving blockchain data associated with the block from the blockchain node in response to determining that the first difference is less than the second difference. Link to Full Patent

This blockchain patent was originally filed on October 28, 2020  as U.S. Patent Application 17/082339 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11057190. The primary examiner was Michael R Vaughan.

Alipay (Hangzhou) Information Technology Co., Ltd., who is the original assignee of this patent, has at least 38 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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