The Bank for International Settlements (BIS) has just issued an unprecedented warning: cryptocurrencies and decentralized finance (DeFi) may have crossed a critical threshold, threatening global financial stability. Behind this observation lies a paradox. While the crypto ecosystem prides itself on democratizing finance, according to the BIS, it could amplify inequalities and create unexpected systemic risks. Between massive adoption, shaky regulation, and contagion effects, here is an analysis of a warning that is shaking the markets.