Short answer
The answer in plain English
Banks care about stablecoins because they can separate the movement of money from the bank account that traditionally held it. A widely accepted token can move around the clock across shared networks, while its reserves may shift customer funds away from individual bank deposits. That threatens payment fees, low-cost funding, and customer relationships, but it also gives banks new businesses in reserve custody, compliance, conversion, tokenized deposits, and stablecoin issuance.
Why it matters
What to understand
A payment stablecoin is a private issuer's token backed by reserve assets, not an insured bank deposit or a digital dollar stored inside a blockchain. Its settlement leg can be fast and programmable, but a usable payment system still needs identity checks, fraud controls, redemption, currency conversion, recovery, and legal accountability. Banks are therefore resisting stablecoin competitors while building services around the same rail. The likely outcome is a hybrid system in which banks, issuers, blockchains, and payment networks each operate a different layer.
Visual guide
How the pieces fit together
Stablecoins challenge the bank’s bundle
A bank account traditionally combines several jobs. It stores a customer’s balance, supplies the institution with funding, connects to payment networks, and creates a relationship through which the bank can sell credit, treasury, or investment services.
Stablecoins pull those jobs apart. A customer can hold a token issued by one company, move it over a blockchain, use a wallet from another provider, and convert it through a third. The original bank may still touch the transaction, but it no longer automatically owns every layer.
That is why the banking response looks contradictory. Banks warn about stablecoin risks and competition while providing reserve accounts, custody, compliance, tokenized deposits, and connections to the same networks. They are defending an existing business and trying to occupy the new rail at the same time.
A stablecoin is a claim, not a dollar inside code
A conventional dollar stablecoin begins with an issuer. The issuer creates tokens and holds specified reserve assets behind the circulating supply. Eligible customers can redeem tokens under the issuer’s rules. Market makers use that redemption path to help keep the trading price near one dollar.
The token is therefore a private claim supported by a legal and operational system. Its reliability depends on the reserve assets, custodians, redemption process, issuer, blockchain, and any exchange or wallet standing between the holder and the token. For a closer look at that mechanism, see how USDC’s dollar peg works.
A bank deposit is different. It is a liability of a particular bank, and eligible U.S. deposits can receive federal insurance within legal limits. Banks hold liquid resources and safeguards but also use deposit funding to support loans and other assets. A payment stablecoin issuer is intended to hold liquid reserves rather than turn the reserve pool into ordinary mortgage or business lending.
Similar dollar values do not make the claims interchangeable. Deposit insurance does not automatically attach to a stablecoin because part of its backing sits in a bank.
Regulation made the rail harder to ignore
The GENIUS Act, signed into U.S. law in July 2025, established a federal framework for permitted payment-stablecoin issuers, including reserve, disclosure, redemption, and supervision requirements. It did not finish every rule or eliminate political and operational disputes. It did make “the legal framework is too undefined to matter” a weaker strategy for large financial institutions.
Infrastructure providers then moved the technology behind familiar financial products. Mastercard announced expanded stablecoin settlement capabilities for its network. This is not simply a merchant adding a crypto checkout button. It places stablecoins closer to the settlement and treasury systems that banks and payment companies operate.
The blockchain leg can be fast while the payment is not
When two parties already have compatible wallets and access to the same token, value can move on a shared ledger outside banking hours. Software can connect that transfer to an invoice, delivery event, or treasury rule. A cross-border payment may avoid some messaging and correspondent-bank steps.
But a quick token transfer is not a complete payment service. Someone still has to verify identities, screen sanctions, handle fraud, convert currencies, connect local bank accounts, resolve disputes, recover access, calculate taxes, and decide who absorbs a loss. The blockchain transaction can settle in minutes while entry or exit from the system remains slow or expensive.
This distinction explains both the opportunity and the bank response. A new rail can reduce some intermediaries and operate continuously. Banks still possess regulated accounts, compliance operations, liquidity, customer support, and links to domestic payment systems. The valuable product may combine both.
Deposits are the deeper contest
Retail deposits are not inert numbers stored for customers. They can provide relatively stable, inexpensive funding for a bank. Moving money from a checking account into a stablecoin changes who controls that funding, even if the reserve eventually touches another bank.
If an issuer keeps reserves as deposits, money may become concentrated in reserve accounts at a smaller group of banks. If it buys short-term Treasury securities, the original bank has lost the deposit more directly. At scale, affected banks might compete by paying more for deposits, borrow elsewhere, or change lending. A Federal Reserve analysis stresses that the result depends on reserve composition, adoption, and bank responses—not on one automatic outcome.
Rewards sharpen the conflict. Stablecoin issuers can earn income from reserve assets. Although a holder does not necessarily receive that income, an exchange, wallet, or partner can offer rewards for keeping tokens on its platform. The product then begins to resemble an interest-bearing cash balance.
Banks argue that this competes for deposits without an identical package of capital rules, insurance obligations, and lending responsibilities. Crypto firms argue that banks want to preserve cheap funding and keep customers from receiving more of the value created by their balances. Both positions reflect real incentives.
Tokenized deposits are the bank-shaped alternative
A bank does not have to choose between ignoring stablecoins and surrendering the market. It can hold reserves for an issuer, provide custody and compliance, connect tokens to customer accounts, or issue through a permitted structure. It can also represent its own deposits on programmable infrastructure.
A tokenized deposit remains a claim on a specific bank. J.P. Morgan’s JPM Coin deposit token is an institutional example. The model keeps the deposit, compliance relationship, and commercial-bank-money claim inside banking while adding some of the movement and automation associated with blockchain networks.
The tradeoff is portability. A reserve-backed stablecoin can gain usefulness when many unrelated wallets, exchanges, and applications recognize the same token. A deposit token tied to one bank or permissioned network may not move as freely. The competition is therefore between different digital-dollar designs, not simply between old banks and crypto startups.
The likely system is hybrid—and still risky
Reserve backing cannot solve every failure mode. A stablecoin can depeg when users doubt reserves or redemption. The USDC disruption in 2023 showed that a blockchain token can inherit risk from a bank holding reserve cash. Stolen credentials, buggy software, network congestion, frozen addresses, compliance disputes, and concentration among a few issuers add separate layers.
A plausible end state combines institutions rather than replacing all of them. Banks provide accounts, compliance, liquidity, custody, and conversion. Issuers provide widely recognized tokens. Blockchains settle part of the movement. Card networks and fintech apps hide the machinery behind familiar interfaces.
Customers may never see which rail completed a payment. They may notice only that money arrived on Sunday instead of Tuesday. For banks, that invisible change is exactly the point: if money can move without the old bundle, they must either protect each part of that bundle or rebuild their role around the new infrastructure.
