U.S. Patent 10657293 was awarded to Alibaba Group Holding Limited on May 19, 2020 and is entitled “Field-programmable gate array based trusted execution environment for use in a blockchain network.” 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, including computer programs encoded on computer storage media, for configuring a field programmable gate array (FPGA) based trusted execution environment (TEE) for use in a blockchain network. One of the methods includes storing a device identifier (ID), a first random number, and a first encryption key in a field programmable gate array (FPGA) device; sending an encrypted bitstream to the FPGA device, wherein the encrypted bitstream can be decrypted by the first key into a decrypted bitstream comprising a second random number; receiving an encrypted message from the FPGA device; decrypting the encrypted message from the FPGA device using a third key to produce a decrypted message; in response to decrypting the encrypted message: determining a third random number in the decrypted message; encrypting keys using the third random number; and sending the keys to the FPGA device. Link to Full Patent

This blockchain patent was originally filed on September 30, 2019  as U.S. Patent Application 16/587451 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10657293. The primary examiner was Jason K Gee.

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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