If you have opened a payment app or a brokerage account in the past year, you have probably seen a balance labeled something like USDC or “digital dollars” sitting next to your regular cash. It looks like money. It is denominated in dollars, it moves instantly, and the app treats it as spendable. So a reasonable person assumes it works like the money in a checking account.
It does not, and the difference matters most on the worst day, when an institution fails and you want your money back.
The US stablecoin market is now roughly $315 billion, and Congress finally wrote rules for it. Understanding what those rules do and do not promise is worth twenty minutes, because the marketing around these products is considerably more confident than the law underneath them.
What a Stablecoin Is, Mechanically
A payment stablecoin is a token issued by a private company that promises to be redeemable one for one for a US dollar. The issuer takes your dollar, holds it in reserve, and gives you a token. When you want out, the issuer takes the token back and returns the dollar. The token records ownership on a blockchain, which is why it can settle in seconds on a Sunday night while an ACH transfer sits waiting for Monday.
Everything hinges on the reserve. If the issuer holds exactly one dollar of safe, liquid assets for every token outstanding, the peg holds. If the issuer invested your dollar in something illiquid or risky, and a lot of holders redeem at once, the peg can break. That is not theoretical. Several stablecoins have traded below a dollar during stress, and one large algorithmic token collapsed entirely in 2022.
The Richmond Fed has a useful overview of stablecoins and the regulatory framework if you want the supervisory version of this explanation.
The GENIUS Act Set Real Requirements, With a Real Gap
The GENIUS Act, signed in July 2025, is the first federal statute governing payment stablecoins. It requires permitted issuers to back every token with 100% reserves in cash, short term Treasuries, or similarly liquid assets. Issuers must publish the composition of those reserves monthly, and issuers above $50 billion in market capitalization must produce annual audited financial statements.
It also does something unusual and specific: it makes it illegal to represent that a payment stablecoin is backed by FDIC insurance. That prohibition exists because the confusion is so predictable. A dollar balance inside a slick app feels insured whether or not anyone said it was.
The Senate Banking Committee fact sheet walks through the consumer provisions. The FDIC has been blunter: there is no deposit insurance for stablecoin holders. Full stop.
The Interest Ban Is the Clearest Signal of All
The statute prohibits permitted issuers from paying interest, yield, or equivalent consideration to holders simply for holding the token. That is not an oversight. Banks argued that if stablecoins could pay competitive yields while sitting outside the deposit insurance system, deposits would drain out of community banks and into an uninsured parallel system, taking local lending capacity with them. Crypto firms argued the opposite, and the fight over what counts as a permissible “reward” versus prohibited “yield” is still live in Congress.
For you, the practical read is simple. A compliant payment stablecoin is designed to pay you nothing. Meanwhile the FDIC’s national average savings rate has hovered near 0.38% APY, and the better online savings accounts have been paying north of 4% this summer. Holding $10,000 in a stablecoin instead of a competitive high yield savings account costs roughly $400 a year in forgone interest, in exchange for faster settlement and no deposit insurance.
There are contexts where that trade makes sense, mostly involving moving money across borders or into and out of crypto markets. Parking an emergency fund is not one of them.
What Actually Happens If the Issuer Goes Under
This is where the law does more than people expect. If a permitted issuer enters bankruptcy, the GENIUS Act gives stablecoin holders priority over all other creditors of the issuer, and directs courts to expedite review and distribution of the reserves.
That is meaningfully better than standing in line as a general unsecured creditor. It is still not deposit insurance. Deposit insurance means a federal agency pays you up to $250,000 within days regardless of what happened to the bank’s assets, as the FDIC describes. Priority in bankruptcy means you have the best claim on whatever the reserves turn out to be worth, after a court process, on a timeline you do not control. If the reserves are whole, you are probably fine. If they are not, you absorb the shortfall.
The distinction is between a guarantee and a good position in a queue.
Tokenized Deposits Are the Other Product, and They Are Different
Banks have been building their own version, and it gets conflated with stablecoins constantly. A tokenized deposit is an actual bank deposit, recorded on a blockchain instead of only in the bank’s ledger. It remains a liability of the bank, it sits inside the deposit insurance system up to the standard limits, and it can pay interest like any other deposit account.
Brookings has a clear breakdown of how tokenized deposits differ from payment stablecoins. The short version: the technology is similar, the legal substance is not. One is a claim on a regulated, insured depository institution. The other is a claim on a private issuer’s pile of Treasuries.
When a product is described to you as a digital dollar, the question that separates the two is whether the issuer is a bank and whether the balance is a deposit. Marketing copy tends to blur that. Account disclosures usually do not.
The Rules Are Not Fully Switched On Yet
Here is the timing detail almost nobody mentions. The GENIUS Act takes effect on the earlier of 18 months after enactment or 120 days after final implementing regulations. Regulators missed the July 2026 rulemaking deadline, so the 18 month trigger governs, putting the effective date at January 18, 2027.
The OCC issued proposed rules in early 2026, including a minimum capital floor for issuers, and has been granting conditional national trust bank charters to firms including Circle, Paxos, and Ripple. So the framework is being assembled in public. But between now and early 2027, a stablecoin you buy may be issued under rules that are still drafts.
The OCC publishes its rulemaking activity in its bulletins if you want to follow the implementation.
How to Place It in Your Own Financial Picture
Think of a payment stablecoin as a settlement tool, not a savings vehicle. It is good at moving value quickly and cheaply, particularly across borders or between crypto venues. It is bad at storing value you might need in a crisis, because it pays nothing by design and carries issuer risk that no federal insurance fund absorbs.
If you hold one, three questions cover most of the risk. Who is the issuer, and are they a permitted issuer under the federal framework? What is in the reserve, and where can you read the monthly disclosure? How quickly can you redeem, and does the app itself impose limits the issuer does not?
And keep the balance sized accordingly. Cash you need to reach for on short notice belongs in an insured account, where the guarantee comes from the federal government rather than from a company’s operational discipline. Everything else is a judgment call about how much convenience is worth.