Stablecoins have exploded in size to roughly $320 billion, but the Bank for International Settlements (BIS) says they're still mainly serving crypto traders rather than functioning as everyday money. The Switzerland-based institution, which is owned by central banks, released its 2026 annual report highlighting a gap between stablecoin promise and current reality.

What Are Stablecoins Actually Being Used For?

When stablecoins first emerged, they were pitched as a solution to a real problem: digital money that holds its value like the US dollar but moves across the internet instantly. In theory, they could revolutionize payments, remittances, and cross-border commerce. In practice, the BIS found something quite different.

"In practice, the main use cases of stablecoins so far have been for crypto trading and, to a lesser extent, as offshore stores of value in emerging market and developing economies with currency vulnerabilities," the BIS stated in its report.

Bank for International Settlements, 2026 Annual Report

The report also examined stablecoins' promise as a cross-border payment tool. The findings were sobering: when you factor in transaction fees, bid-ask spreads (the difference between buying and selling prices), and the costs of converting between traditional currency and stablecoins, the efficiency gains largely disappear.

Why Don't Stablecoins Work Like Real Money Yet?

The BIS identified a fundamental problem: trust. Money, whether digital or physical, only works when people accept it without hesitation. Current stablecoins fall short in several critical ways.

The institution outlined specific limitations that prevent stablecoins from functioning as true money:

• No Central Bank Settlement: Stablecoins don't settle on central bank balance sheets, which is how traditional bank deposits gain their credibility and safety guarantees.
• No Guaranteed Par Value Across Blockchains: You can't reliably exchange stablecoins at full face value across different blockchain networks or between issuers under all conditions.
• Redemption Friction: Converting stablecoins back to actual dollars involves delays and costs that real money doesn't have.

The BIS made a striking comparison: current stablecoins "resemble exchange-traded fund shares rather than a means of payment". An exchange-traded fund (ETF) is an investment product you buy and sell; it's not money you spend. That's the gap stablecoins currently face.

How to Understand Stablecoin Market Size in Context

While $320 billion sounds enormous, the BIS emphasized that stablecoins remain tiny compared to the broader financial system. Here's what matters for understanding the real scale:

• Bank Deposits Dwarf Stablecoins: Traditional bank deposits globally are measured in the trillions of dollars, making stablecoins a rounding error by comparison.
• Growth Doesn't Equal Adoption: Rapid growth in a small market can look impressive in percentage terms while remaining marginal in absolute terms.
• Use Case Concentration: The fact that most stablecoin activity is concentrated in crypto trading, not real-world payments, suggests the market is still serving speculators rather than everyday users.

The BIS report raises a deeper question about what stablecoins would need to become genuine money. Trust, the institution argued, is foundational. "What matters most is that money is accepted for payment with no questions asked." Stablecoins haven't reached that threshold because they operate outside the institutional frameworks that make people confident in bank deposits and central bank money.

For stablecoins to evolve beyond their current role as crypto trading tools, they would need to solve the redemption problem, gain settlement privileges at central banks, and build the kind of institutional backing that makes traditional money trustworthy. Until then, the BIS suggests, they'll remain a specialized financial instrument rather than a replacement for your bank account.