#交易策略误区 Hashflow's RFQ engine mainly ensures transaction security through mechanisms such as encrypted signed quotes, a combination of on-chain and off-chain trading models, and MEV attack protection, as detailed below:

• Encrypted signed quotes: The quotes provided by market makers must be encrypted and signed, which prevents the quotes from being tampered with during the trading period, ensuring price certainty. Traders can execute trades at the quoted price, avoiding price fraud and slippage risks.

• Combination of on-chain and off-chain trading models: The RFQ engine performs the computation-intensive price discovery process off-chain, allowing for faster quotes and lower costs, while the final settlement is executed on-chain, leveraging the decentralization and immutability of blockchain to ensure transaction security and transparency, while retaining the self-custody benefits brought by decentralization.

• MEV attack protection: Since trading intentions and quotes are processed off-chain and are encrypted and signed, MEV bots cannot view or exploit pending transactions in the public memory pool, protecting users from front-running and other MEV attacks, ensuring transaction fairness.