U.S. Patent 11121880 was awarded to CHUNGHWA TELECOM CO., LTD. on September 14, 2021 and is entitled “Method for reaching consensus on public distributed ledgers and system using the same.” The first named inventor is Ming-Che Chang of Taoyuan, . The abstract contains an overview of the patent disclosure:

A method for reaching consensus on public distributed ledgers and a system using the same are disclosed. The method includes: obtaining a random data of the last block of a blockchain; comparing the random data with an address of an account to obtain a degree of similarity; filtering accounts based on the degree of similarity; performing further filtering based on the account balance; performing ultimate filtering based on a combination of the account address and the random data; and determining an account that is entitled as the beneficiary to produce a new block to be attached to the last block of the blockchain. The present disclosure reaches consensus of generating a new block through multiple levels of filtering, thereby reducing the power consumption caused by large amounts of computations during the ordinary mining process, while significantly improving the efficiency of blockchain transactions and ensuring the fair distribution of mining rights. Link to Full Patent

This blockchain patent was originally filed on September 18, 2018  as U.S. Patent Application 16/133757 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11121880. The primary examiner was Paul E Callahan.

CHUNGHWA TELECOM CO., LTD., who is the original assignee of this patent, has at least 55 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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