Stablecoins are crypto tokens designed to track a reference value, usually a national currency such as the U.S. dollar. They can bring a familiar unit of account into blockchain markets, while their reserves, redemption arrangements and financial partners connect token activity to conventional finance. That makes them a bridge—but not a guarantee of stable value, universal redemption or safe, government-backed money.
What is a stablecoin?
A stablecoin is a crypto asset designed to maintain a value relative to something else, such as a fiat currency, a commodity like gold, or a pool or basket of assets. “Stable” describes the target, not a promise that the token will always trade at that value. Its ability to stay near the target depends on how it is designed and, where reserves are involved, whether those assets can support redemption. The SEC Division of Corporation Finance describes these broad design types in its April 4, 2025 statement on stablecoins.
How do stablecoins work?
Different designs use different means to pursue a stable price. A token’s ticker or marketing label alone does not tell you what supports its value or what rights a holder has.
| Design | How it aims to track value | What to examine |
|---|---|---|
| Reserve-backed | An issuer holds assets intended to support the tokens and may offer issuance and redemption in relation to the reference asset. | Reserve composition, sufficiency, liquidity, custody, disclosures, redemption terms and who is eligible to redeem. |
| Algorithmic | Rules or other mechanisms adjust token supply in response to demand, rather than relying on the same reserve-backed structure. | How the mechanism is meant to maintain the target and what happens if demand or confidence falls. The SEC statement does not establish one common algorithmic model. |
| Commodity- or basket-linked | The reference value is a commodity, a pool of assets or a basket rather than a single fiat currency. | What the reference represents, how tracking is achieved, and what redemption or other holder rights actually apply. |
Do not assume that every reserve-backed token is backed one-for-one by cash or that every holder can redeem directly with the issuer. The SEC staff statement describes a narrower category it calls “Covered Stablecoins”: specified USD-linked tokens redeemable one-for-one and backed by low-risk, readily liquid assets at least equal to tokens outstanding, under the circumstances described in that statement. Access to minting or redemption may be restricted to designated intermediaries; the statement is not a blanket legal classification of all stablecoins.
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Why stablecoins bridge crypto and traditional finance
Inside crypto: a familiar unit for trading and transfers
Crypto assets can fluctuate sharply. A token designed to track a currency can give traders and blockchain applications a less volatile unit in which to quote prices, hold value between trades or provide collateral. Stablecoins can also move between wallets and be used in decentralized finance (DeFi), where software-based applications may rely on them for lending, trading or other transactions. They are still crypto assets: using one does not turn a blockchain transaction into a bank transfer or make the token a bank deposit.
Tokens can circulate on blockchain networks, but movement between networks may rely on bridges. As the Kansas City Fed explains, some bridge arrangements lock tokens on one chain and issue corresponding tokens on another. This enables cross-chain use but adds infrastructure dependence; a bridge is not proof that networks are natively interoperable. See the Kansas City Fed’s June 8, 2026 beginner’s guide.
At the boundary: reserves, redemption and financial partners
For a reserve-backed stablecoin, the connection runs in both directions. Users may bring currency-denominated value into crypto markets by acquiring tokens; the issuer’s reserve assets, redemption obligations and relationships with banks or other intermediaries link the token system back to conventional finance. Those links can support conversion between systems, but they also create channels through which liquidity, operational or confidence problems may spread.
The Federal Reserve’s 2026 staff note describes growing interconnections with traditional finance and highlights intermediaries, vertical integration and retail-wallet partnerships as structural developments relevant to potential stress transmission. Governor Christopher Waller also describes stablecoins as private money subject to run risk and notes that stablecoins have depegged in the past. His February 12, 2025 speech reported that around 99 percent of stablecoin market capitalization was denominated in U.S. dollars at that time; that is a dated figure, not a verified 2026 share. Read the Waller speech and the Fed’s April 8, 2026 staff note.
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What are stablecoins used for today?
Central-bank descriptions point mainly to crypto-related activity, rather than everyday consumer payments. The Kansas City Fed identifies trading, payments, transfers and idle balances as categories of use. Its April 2026 distribution analysis cautions that available data are spotty and many figures are estimates; it finds a majority of stablecoins remained tied to crypto finance in its estimates. That is useful context, not a definitive census of every token or transaction.
The Kansas City Fed’s June 8, 2026 beginner’s guide says only a small fraction of stablecoins was being used to make payments at publication, and its April briefing likewise describes payments as a very small part of the ecosystem. Stablecoins may be used or proposed for cross-border consumer payments, business liquidity management, commerce and services for financial institutions, as the Atlanta Fed outlines. These possible applications should not be confused with evidence that stablecoins have broadly replaced existing payment systems.
Market size figures also need their dates attached. The Federal Reserve’s April 8, 2026 staff note reports that stablecoins grew by about 50 percent over 2025 and had an aggregate market capitalization of $317 billion as of April 6, 2026. Those are historical observations, not live market quotes.
How to assess a stablecoin before using it
Compare the actual arrangement, not simply the advertised peg. Terms and access differ among issuers, and public information may not answer every question. Use the issuer’s own current terms and disclosures alongside applicable regulator information.
- Identify the reference and mechanism. Is the target a fiat currency, commodity or basket? Does the design rely on reserves, algorithms or another arrangement?
- Inspect reserve information where applicable. Find out what assets are held, how they are disclosed, who holds them, and whether there is information about liquidity and sufficiency. A claimed peg alone does not establish reserve quality.
- Read redemption terms. Check who may redeem with the issuer, eligibility requirements, fees, minimums, timing and any other conditions. Do not infer direct redemption rights from the fact that a token trades near its target.
- Check networks and transfer dependencies. Confirm which blockchain networks are supported and whether a transfer requires a third-party bridge. A token with the same name or ticker on another network may involve different infrastructure and risks.
- Understand custody and operational control. Determine whether you hold tokens in a wallet you control or through a service provider, what security and recovery arrangements apply, and what happens if access credentials are lost.
- Check the issuer and governing rules. Establish who issues or administers the token, what jurisdiction and legal terms apply, and what consumer protections—if any—cover your situation.
Risks that the word “stable” can hide
- Reserve and redemption risk: For reserve-backed designs, the peg depends in part on the quality, liquidity, custody and sufficiency of reserves, as well as the issuer’s ability and obligation to honor redemptions. Mechanism and rights vary by token.
- Run and depeg risk: A loss of confidence or difficulty converting tokens can put pressure on a token’s market price. Waller’s 2025 speech discusses run risk and past depegs; a target price is not an assurance that it will always be maintained.
- Operational and cyber risk: Network outages, blockchain settlement issues, wallet compromise or lost keys can interrupt transfers or access. The Atlanta Fed discusses wallet and blockchain cybersecurity, while the Kansas City Fed notes that lost keys can make wallet holdings inaccessible.
- Connections to financial markets: Issuers, reserves, banks, exchanges, intermediaries and payment providers may link token activity to traditional markets. Stress in one part of that chain can create pressure elsewhere; the Federal Reserve staff note and BIS analysis examine broader channels and spillovers.
- Cross-chain dependence: A bridge can enable movement between networks, but it introduces another protocol and operational dependency rather than eliminating interoperability risk.
- Different rules across jurisdictions: Regulation can affect issuer eligibility, reserve requirements and who may redeem. A token’s availability or protections in one country should not be assumed to apply in another.
The Bank for International Settlements takes a more skeptical system-level view. Its 2025 Annual Economic Report argues that stablecoins perform poorly against its three tests of money and may at best serve a subsidiary role. That is the BIS’s policy assessment, not a settled consensus about every stablecoin or use case.
What U.S. rules do—and do not—tell you
The GENIUS Act was signed into U.S. law on July 18, 2025, according to the Federal Reserve staff note. In its March 16, 2026 explainer, the Atlanta Fed says payment stablecoins under the law must be backed one-to-one by high-quality, segregated reserves, primarily U.S. dollars, Treasury bills or cash equivalents. The same explainer emphasizes that U.S. payment stablecoins are not backed or insured by the U.S. government. These descriptions concern the U.S. statutory framework for payment stablecoins; they should not be applied to every token or jurisdiction. See the Atlanta Fed explainer.
Separately, the SEC Division of Corporation Finance’s April 4, 2025 statement expresses the Division’s view about a specifically described class of USD-linked, reserve-backed and redeemable tokens and the circumstances it addresses. It does not decide that every stablecoin is, or is not, a security. The legal treatment of a particular token depends on the applicable facts and law.
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