Blockchain transaction security protection system and method based on SGX

The invention discloses a blockchain transaction security protection system and method based on SGX. The system comprises a lightweight client system based on a blockchain wallet application on a userside and a server system based on full nodes on a blockchain. A trusted encryption channel is established between the lightweight client and the full-node server, and the lightweight client sends anencrypted user request to the full node through the trusted encryption channel, including transaction verification, transaction construction and the like. And the full node decrypts and processes theuser request in the SGX security area, and performs local access of the transaction data through mass random access, thereby meeting the request processing requirement. According to the method, privacy security protection is provided for transaction verification and transaction process initiation of the blockchain lightweight client, and user privacy is effectively prevented from being stolen by an attacker. 本发明公开了一种基于SGX的区