How to ensure the safety of principal in the face of extreme market conditions? This article decrypts two major hard-core risk control tools in depth: the negative balance protection mechanism uses the underlying forced liquidation logic of the system to completely eliminate the risk of falling into debt and strictly lock the upper limit of losses; the automatic stop-loss copy function synchronizes the trader's stop-loss point in milliseconds, using a cold machine to overcome human hesitation. There is also a dynamic fuse module to alleviate the impact of price gaps and slippages, using hard-core technology to build an indestructible last line of defense for your account.