U.S. Patent 10839070 was awarded to Advanced New Technologies Co., Ltd. on November 17, 2020 and is entitled “Securely executing smart contract operations in a trusted execution environment.” The first named inventor is Huabing Du of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, systems, and apparatus for securely executing smart contract operations in a trusted execution environment (TEE). One of the methods includes receiving, by a blockchain node participating in a blockchain network, a request to execute one or more software instructions in a service TEE hosted by the blockchain node, wherein the request is encrypted by a public key associated with the service TEE; decrypting the request with a first private key associated with the service TEE, wherein the first private key is paired with the public key; in response to decrypting the request, executing the one or more software instructions to produce an execution result; encrypting the execution result with a client encryption key associated with the service TEE to produce an encrypted result; and signing the encrypted result using a second private key associated with the TEE to produce a signed encrypted result. Link to Full Patent

This blockchain patent was originally filed on October 31, 2019  as U.S. Patent Application 16/670620 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10839070. The primary examiner was Wasika Nipa.

Advanced New Technologies Co., Ltd., who is the original assignee of this patent, has at least 1031 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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