U.S. Patent 10819509 was awarded to Alibaba Group Holding Limited on October 27, 2020 and is entitled “Asymmetric key management in consortium blockchain networks.” The first named inventor is Shubo Li of Hangzhou, . The abstract contains an overview of the patent disclosure:

Implementations of the present specification provide for management of service keys for consortium blockchain networks within a blockchain-as-a-service (BaaS) platform. Implementations include actions of receiving a request for a service key from a participant in a consortium blockchain network provisioned within the BaaS platform, determining that the participant is authorized for the service key based on a service authorization table that records participant privileges within the consortium blockchain network, providing a key package including an encrypted private key of the service key, and a public key of the service key, and sending the key package to the participant, the participant decrypting the private key of the service key using a public key associated with the participant. Link to Full Patent

This blockchain patent was originally filed on April 22, 2019  as U.S. Patent Application 16/390253 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10819509. The primary examiner was Jeremiah L Avery.

Alibaba Group Holding Limited, who is the original assignee of this patent, has at least 1834 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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