A new report from McKinsey & Company warns that the rapid rise of stablecoins could slowly weaken traditional banking systems by pulling customer deposits away from banks.
According to the report, if customers convert $1,000 from bank deposits into third-party stablecoins such as USD Coin (USDC) or Tether (USDT):
- Only about $150 would remain in the banking system as reserves
- Around $850 would shift into U.S. Treasury securities held by stablecoin issuers
This could gradually reduce the deposits banks rely on for lending, liquidity, and profitability.
Why Banks Are Concerned
Traditional banks earn money largely through:
- Net interest margins
- Customer deposits
- Lending activities
- Liquidity management
McKinsey compared the rise of stablecoins to how money market funds previously pulled money away from banks decades ago.
If more users move cash into blockchain-based stablecoins, banks may lose a key source of low-cost funding.
Banks Are Launching Tokenized Deposits
To compete, major banks are increasingly building their own blockchain-based payment systems and tokenized deposit platforms.
Unlike third-party stablecoins, tokenized deposits allow banks to:
- Keep customer funds inside the banking system
- Add programmable payment features
- Enable faster settlement
- Support on-chain financial transactions
McKinsey estimates tokenized bank deposits already support over $4 trillion in annual transfers, compared to roughly $400 billion in stablecoin payments last year.
Major Banks Entering Blockchain Finance
Several major institutions are already expanding into tokenized finance:
- JPMorgan Chase operates the Kinexys platform, which reportedly processes more than $1 trillion annually
- Citibank is developing blockchain payment infrastructure
- BNY Mellon launched a tokenized deposit service for institutional clients
BNY Mellon’s early partners reportedly include:
- Intercontinental Exchange
- Citadel Securities
- Circle Internet Group
These systems are designed for institutional payments, collateral transfers, settlement, and margin transactions.
The Future Could Be a “Three-Layer” Financial System
McKinsey described a future financial structure built around three connected layers:
- Stablecoins
- Tokenized bank deposits
- Central bank money
Together, these systems could reshape global payments and financial infrastructure.
Why Stablecoins Still Face Limitations
Despite growing adoption, McKinsey said stablecoins still face barriers to mainstream commercial use.
The report cited concerns including:
- Regulatory uncertainty
- Price instability in broader crypto markets
- Compliance challenges
- Questions around anonymity and risk
McKinsey also noted that regulations such as Europe’s Markets in Crypto-Assets Regulation (MiCA) and the proposed U.S. GENIUS Act may restrict stablecoin issuers from paying yield directly to holders.
That limitation could help banks retain deposits because tokenized bank deposits may still offer interest-bearing returns inside regulated banking systems.
Market Reaction
Shares of Circle Internet Group reportedly fell slightly in after-hours trading following the report.
At the same time, institutional interest in blockchain-based financial infrastructure continues growing as banks race to modernize payments and settlement systems while protecting their deposit base.
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