The annual economic report of the Bank for International Settlements (BIS) warns about possible transformations of the global monetary landscape. Published in Basel, the document examines the role of stablecoins and their limits in current financial systems. The institution highlights the risk of dollarization in certain emerging economies when users favor digital assets linked to the US dollar. This analysis outlines the challenges related to indexed tokens and possible developments of private digital currency. The BIS considers that these innovations require an appropriate framework to evolve.