Break through the cognitive puzzle of behavioral finance and use a decentralized rigid execution matrix to block the asset erosion of subjective emotions! This article provides in-depth compliance knowledge on the two fatal psychological traps in Contracts for Difference (CFD) trading: the sunk cost fallacy (Concordia Effect), which leads to an endless cycle of more and more losses, and an analysis of the filtering warning signals caused by confirmation bias, and the blind spot of being willing to fall into a cocoon of good information. Describe in detail how to use tamper-free objective data lists on the chain and whitelist token risk control to intercept blind decisions, and use the fully automatic position synchronization mechanism to powerfully break subjective cognitive biases.