IMF warns stablecoins may accelerate currency substitution, weaken central bank control

The International Monetary Fund (IMF) issued a warning that the rapid growth of dollar-denominated stablecoins could accelerate currency substitution, particularly in countries with high inflation or low trust in domestic monetary frameworks. This phenomenon, facilitated by the cross-border ease of stablecoin use, threatens to undermine central banks' control over capital flows. The IMF report, "Understanding Stablecoins," noted that the combined size of the top two stablecoins has tripled since 2023 to $260 billion. While stablecoins offer potential benefits like increased financial access and lower payment costs, they also introduce significant macro-financial hazards, including the risk of stablecoin runs leading to fire sales of reserves. Furthermore, their pseudonymous nature can weaken capital controls and complicate crisis monitoring. The IMF stressed that inconsistent global regulations create opportunities for arbitrage, concluding that the future impact of stablecoins depends heavily on coordinated international action to manage fragmentation and substitution risks.

(Source：The Block)