What Is a Stablecoin?
A crypto-asset designed to track a reference value; its issuer, holder claim, reserves, redemption terms, and legal regime determine how it works.
By Anton Titov, Founder · Plexo Institute
Stablecoins are not one universal legal or economic category. The relevant operating questions are who issues the claim, what supports it, who can redeem it, and which regime applies.
Reading Guide
Four moves that locate stablecoins in the instrument taxonomy and explain why "digital dollar" is the wrong mental model.
Stablecoin designs differ. For an issuer-backed payment stablecoin, the token is a claim connected to issuer terms and reserves. Price alignment can be supported when eligible participants can use the issuer’s mint and redemption process, subject to access, fees, timing, banking and market conditions. Major regimes define scoped categories rather than one universal instrument.
Authorized counterparties can wire fiat to the issuer, receive tokens, and later present tokens for redemption under issuer terms. Between those events, tokens can move across exchanges and wallets. This hub-and-spoke issuance model does not describe every stablecoin design.
A bank deposit is a commercial-bank liability and can be created through lending. A payment-stablecoin holder should not assume deposit insurance: protection, priority, disclosure, and yield treatment depend on the issuer and jurisdiction.
What a Stablecoin Actually Is
A stablecoin is a crypto-asset designed to track a reference value, often a currency. It is not one universal legal or economic category. For an institution, the important question is the operating model: who issues it, what claim a holder has, what supports that claim, who can redeem it, and which legal regime applies. Regulated payment-stablecoin categories can impose issuance, redemption, reserve and yield rules; those rules do not automatically describe every token marketed as a stablecoin.
Issuer Balance Sheet Anchors The Token
The on-chain token moves freely, but its economic meaning stays pinned to issuer assets and redemption rights.
Fiat in
Authorized counterparty wires funds
Cash or permitted reserve assets arrive before supply can expand.
Asset
Segregated reserves
The issuer holds the backing assets off-chain.
Liability
Tokens outstanding
Each token is an issuer promise, not a bank deposit.
Mint
Supply enters wallets
Tokens appear only after reserves arrive.
Transfer
Claim circulates
Secondary users move the claim without touching issuer books.
Burn
Redemption closes loop
Authorized holders return tokens and receive fiat at par.
| Defining property | Meaning |
|---|---|
Issuer-backed payment stablecoin | The token is a claim connected to issuer terms, not automatically a bank deposit. |
On-chain transferable | The claim can move across public blockchain addresses. |
Redemption terms | Access, timing, and terms are issuer- and jurisdiction-specific. |
Yield treatment | Some named payment-stablecoin regimes restrict issuer-paid yield; this is not a universal property. |
Hybrid instrument | Bearer-like in transit, registered-like at issuer redemption. |
The Issuer Model
The economic substance lives in the issuer balance sheet, not in the token contract.
Mint and burn are the operational events that matter. An authorized counterparty wires USD or another reference currency to the issuer; the issuer mints tokens 1:1 and credits the counterparty wallet. On redemption, tokens return to the issuer burn address and fiat is wired back. Between those events, tokens circulate across wallets and exchanges.
Mint: authorized counterparty wires fiat to issuer; issuer mints tokens 1:1. Burn: counterparty returns tokens; issuer burns them and wires fiat back. Secondary trading: most holders never interact with the issuer directly. This is why stablecoin systems combine wholesale concentration at issuance with broad downstream transferability.
Why It Is Not a Bank Deposit
The money-creation asymmetry is the most consequential difference.
The comparison is clearest property by property: liability, insurance, reserves, yield, and money creation all point to a different risk treatment.
| Property | Typical bank deposit | Issuer-backed payment stablecoin |
|---|---|---|
Liability of | Commercial bank | Stablecoin issuer |
Insurance | May be covered by a jurisdictional deposit-guarantee scheme up to its conditions and limit | Not bank-deposit insurance by default; protection depends on the applicable framework and issuer terms |
Backing model | A bank balance sheet and prudential regime, not a dedicated 1:1 reserve for each deposit | Some payment-stablecoin frameworks require or constrain backing and reserve assets; check the exact regime and issuer |
Yield to holder | May be paid under account terms | Some payment-stablecoin regimes restrict issuer-paid yield; this is not a universal property |
Supply creation | Bank lending can create deposit liabilities within the banking framework | Issuer-backed supply is normally tied to the issuer’s issuance and reserve process; terms and law control the mechanism |
A fully reserved payment-stablecoin design generally issues against reserve assets received. This is an architecture and regime-specific statement, not a claim about every token or issuer. MiCA prohibits interest on EMTs, and the GENIUS Act prohibits issuer-paid interest or yield for its covered payment stablecoins.
Why It Is Not a Money Market Fund
That difference matters because money-market funds and payment stablecoins can both look like dollar claims while creating different legal and liquidity expectations.
Money-market-fund investors hold fund interests and can receive fund income subject to the fund’s terms and applicable rules. An issuer-backed payment stablecoin can offer a stated redemption claim through issuer terms and reserves. Some payment-stablecoin regimes restrict issuer-paid yield, while other on-chain dollar products may be structured as fund or securities products. The legal classification and redemption mechanics must be checked for the specific product and jurisdiction.
The issuer captures the float. That reserve-income model is why no-yield payment stablecoins can be commercially powerful even when holders receive no interest.
The Regulated Frame
Regulated examples help explain the category, but they are not a universal rulebook.
Several regimes share objectives around reserves, redemption, issuer oversight, and holder protection, but their legal categories and detailed rules differ.
| Regime | Stablecoin category | Reserve rule | Issuer license |
|---|---|---|---|
EU MiCA | EMT for single-fiat tokens; ART for baskets | 1:1, segregated, verified | EMI or credit institution; CASP passporting for services |
US GENIUS Act | Payment stablecoin | 1:1 cash, demand deposits, short-dated T-bills, or permitted repos | OCC charter, qualified state regime, or bank issuance |
UAE CBUAE PTSR | Payment token | Reserve, segregation and redemption rules under the PTSR | Licensed issuer or registration as applicable |
Singapore MAS framework | In-scope single-currency stablecoin | Requirements for composition, valuation, custody and audit of reserves | In-scope issuer requirements under the MAS framework |
What Stablecoins Are Used For
Settlement, store of value, and trading collateral are different use cases with different risks.
The same token can support several behaviors, so the policy question has to follow the use case rather than the ticker.
Two licensed operators settle a cross-border payment with stablecoin in the middle. Users hold fiat on both sides; the stablecoin exists in transit for minutes. This is the institutional B2B model.
In weak-currency environments, households and businesses may hold stablecoins as USD savings. This is the politically sensitive dollarization use case.
On crypto exchanges, stablecoins serve as quote currency and margin collateral. This original use case remains substantial, but it is separate from regulated cross-border payment infrastructure.
Counter-Arguments & Limitations
Where the category definition can be challenged.
The narrow definition is useful, but two objections keep the boundary honest before the category is treated as settled.
Tokenized money-market funds and yield-bearing dollar tokens show that on-chain dollar claims can pay interest. The counterpoint is regulatory: those products are securities or fund products, not payment stablecoins. They settle with different rules, access limits, and redemption mechanics.
Mint and burn access is concentrated at the issuer relationship layer. The counterpoint is that transfer openness and issuance concentration describe different layers. Both can be true at once.
About This Explainer
Scope, disclosure, and method.
Plexo's clearing-network architecture treats stablecoins as the settlement instrument in the fiat-sandwich pattern: fiat at the customer-facing legs, stablecoin in transit. The four-framework convergence claim is calibrated to regulated payment stablecoins, not every tokenized dollar product.
Data vintage: 2023-2026. Definitional framework synthesized from MiCA Regulation 2023/1114, GENIUS Act, CBUAE PTSR, MAS framework, and FSB recommendations. The primary regime materials were checked on 2 August 2026; issuer disclosures need a separate current check whenever a statement concerns a named issuer. The issuer-model description is illustrative and must be checked against current issuer terms. This explainer is descriptive, not legal, regulatory, financial, or investment advice.
Relevant Reading
References
8 references- Stablecoins Dashboard — DefiLlama
- Stablecoins Category — CoinGecko
- MiCA Regulation 2023/1114 — European Union
- GENIUS Act, Public Law 119-27 — US Congress
- Stablecoin Regulatory Framework — Monetary Authority of Singapore
- Payment Token Services Regulation — Central Bank of the UAE
- High-level Recommendations for Global Stablecoin Arrangements — Financial Stability Board
- USDC and Tether Reserve Reports — Circle; Tether