An efficient confidentiality layer for any blockchain. Blockchain Confidentiality by Trusted Computing. Phala.Network offers Turing-Complete confidential smart contract for any blockchain. It guarantees the reliable execution of smart contracts while keeping the data secretly. Confidential contracts run in miner nodes with Trusted Computing capable hardware, which guarantees the secrecy of the contract data. Cryptographic evidences are generated as the execution of the confidential contract for participants to validate.