Build a solid defense for the security of derivatives funds, and use regulatory standardization to penetrate the black holes of license fraud and fund misappropriation! This article provides in-depth science knowledge on the three-layer physical isolation mechanism of physical, legal and bankruptcy liquidation of trust accounts of top international banks. Comprehensively dismantling how the negative balance protection policy exempts investors from debt recovery when the black swan market gap leads to account liquidation, and follows the anti-money laundering principle of return in the same way, completely eliminating concerns about the difficulty of withdrawing funds.