Stablecoins are crypto assets designed to track a reference value, usually a currency such as the US dollar. They can make on-chain pricing and settlement more practical, but the word “stable” describes an objective, not a guarantee. A token may trade away from its target, redemption may be restricted, and the risk changes substantially with the backing model, blockchain and governing law.
Short conclusion: the most useful way to compare stablecoins is not by ticker or headline market price. Examine what anchors the token, who or what enforces redemption, which assets support it, and what happens when many holders try to exit simultaneously. This analysis covers those structural differences and ordinary transfer risks; it does not assess future prices, personal suitability or the tax treatment of any transaction.
How the claims were checked
Stable definitions and risk categories were matched against publications from the International Monetary Fund, the Financial Stability Board and the Bank for International Settlements. Protocol mechanics were checked against official technical documentation. Legal claims rely on enacted legislation or official regulatory texts rather than summaries from trading platforms.
Issuer disclosures are treated more cautiously. A reserve statement, attestation, assurance report and financial-statement audit are not interchangeable labels, so the date, scope and reporting entity matter. Dynamic facts are attached to the date shown by their source rather than presented as permanent characteristics.
No price forecast or numerical risk score is used. Where a conclusion depends on redemption eligibility, live liquidity, available networks, compliance screening or local law, it is marked as conditional instead of being converted into a false certainty.
What a stablecoin is designed to do
A stablecoin aims to maintain a stable value relative to a specified asset, pool or basket. Most are denominated in an existing currency, while their ownership and transfers are recorded on blockchains or related distributed ledgers. Unlike Bitcoin and similar unbacked crypto assets, a stablecoin includes some form of stabilisation mechanism. [1]
This design gives stablecoins several practical roles. They can serve as an on-chain unit of account, a settlement asset for crypto trading, collateral in decentralised applications and a bridge between volatile crypto assets and conventional currencies. Cross-border transfers are another possible use, although the real cost and speed depend on the blockchain, intermediaries, conversion route and compliance process. [1]
Two prices must be kept separate. The reference value is the target—such as one US dollar. The market price is what buyers and sellers currently accept on a venue. A third figure may also exist: the price at which an eligible customer can redeem directly with the issuer. These values can diverge during stress.
Documented episodes show that even major reserve-backed stablecoins have temporarily traded below parity. That does not prove that every deviation becomes a collapse, but it disproves the idea that a peg is technically unbreakable. [1]
The main stablecoin designs
Fiat-reserve stablecoins
In this model, a central issuer creates tokens and holds off-chain reserve assets intended to support their value. Depending on the product and legal framework, reserves may include cash, bank deposits, short-dated government securities or repurchase agreements. Holders rely on the issuer, custodians, banks, reserve quality and an operational redemption process. [2]
The central question is not merely whether reserves exist. Their liquidity, segregation, valuation, maturity and legal availability to token holders are also relevant. If redemptions accelerate, an issuer may need to use bank deposits or sell securities quickly. BIS analysis identifies the potential for holder losses and market spillovers when demandable tokens are backed partly by assets that cannot all be liquidated without cost under stress. [3]
Transparency helps users examine the structure, but a recent report is a snapshot. It does not eliminate bank, custodian, operational, legal or future balance-sheet risk.
Crypto-collateralised stablecoins
These tokens are supported by crypto assets placed in smart contracts, often with collateral worth more than the stablecoins created against it. If collateral value falls below a protocol threshold, liquidation mechanisms can sell it to cover the debt.
Maker’s official technical documentation, for example, describes DAI as a collateral-backed stablecoin generated against approved crypto collateral. Its liquidation system transfers collateral from an insufficiently collateralised vault and attempts to sell that collateral for DAI. [4]
This reduces reliance on a single conventional issuer but creates another dependency chain: smart-contract code, price oracles, governance decisions, blockchain performance, collateral liquidity and functioning liquidators. “Decentralised” therefore does not mean “without counterparties, rules or failure points.”
Algorithmic and hybrid designs
An algorithmic stablecoin relies heavily on supply adjustments, linked tokens, market incentives or automated trading mechanisms rather than a fully matched reserve of the referenced asset. A hybrid combines multiple forms of collateral or stabilisation.
The structural weakness appears when confidence disappears. A mechanism that works while arbitrageurs expect the peg to recover may stop working when participants rush to sell both the stablecoin and any linked support token. IMF taxonomy distinguishes this peg-credibility problem from the reserve-liquidation risk of fiat-backed tokens and the collateral-liquidation risk of crypto-backed systems. [5]
The label alone is insufficient. Some products called “algorithmic” retain partial reserves, while some apparently collateralised products depend on derivatives, other stablecoins or complex governance. The actual mechanism takes priority over the marketing category.
Commodity-referenced tokens
A token referenced to gold or another commodity may be relatively stable in units of that commodity while remaining volatile against dollars, euros or everyday goods. Its risk profile includes custody, verification, storage, redemption terms and liquidity in the underlying commodity market. It should not be evaluated as though it were a one-dollar payment token. [2]
Claim Register
| Decisive or dynamic claim | Verification status | Primary source type and name | Source date | Limitation | What could change the conclusion |
|---|---|---|---|---|---|
| A stablecoin’s target price is not a guarantee that its market price will remain at parity. | Confirmed | IMF departmental paper, Understanding Stablecoins [1] | December 2025 | Historical deviations do not predict the duration or severity of a future event. | Changes to reserve quality, redemption access, liquidity, regulation or market confidence. |
| Robust redemption rights, transparent stabilisation mechanisms and prudential safeguards are central to reducing run risk. | Confirmed as an international policy recommendation, not proof that every token complies | Financial Stability Board, High-level Recommendations for Global Stablecoin Arrangements [6] | July 17, 2023 | FSB recommendations require implementation through individual jurisdictions. | Domestic legislation, supervisory rules and the issuer’s actual legal structure. |
| USDC’s issuer publishes weekly reserve information and monthly third-party assurance reports. | Confirmed for the issuer disclosure displayed by the source | Issuer transparency page, Circle Transparency & Stability [7] | Reserve page displayed data as of July 23, 2026 | An issuer page and assurance engagement should be read within their stated scope; neither guarantees continuous parity. | A newer assurance report, reserve change, revised redemption terms or regulatory action. |
| Tether publishes a reserve report accompanied by an ISAE 3000R assurance report. | Confirmed for the report listed by the issuer | Issuer transparency page, Tether Transparency [8] | Reporting date: March 31, 2026 | The report is point-in-time and does not establish that every holder has identical direct redemption access. | A newer report, a change in reserves, terms, issuing entity or relevant law. |
| DAI is described in Maker documentation as collateral-backed and governed through protocol parameters, including liquidation rules. | Confirmed historically; current parameters are condition-dependent | Official Maker Protocol technical documentation [4] | Documentation pages display updates ranging from approximately three to five years ago; exact dates are not shown on every page | Governance can alter collateral types, risk parameters and system components, and older documentation may not reflect every current configuration. | A governance deployment, revised official documentation or verified on-chain parameter change. |
| Stablecoin rules differ materially between jurisdictions. | Confirmed | EU Regulation 2023/1114, known as MiCA; US Public Law 119-27, the GENIUS Act [9] | MiCA adopted May 31, 2023; its stablecoin titles applied from June 30, 2024. The GENIUS Act became US law on July 18, 2025. | Legal status, permitted distribution and user protections can depend on implementing rules, issuer category, location and transaction type. | New regulations, agency rulemaking, court decisions, transitional deadlines or legislative amendments. |
| A particular stablecoin, blockchain network or exchange direction is available for a specific transaction. | Unknown until checked immediately before the order | Live route availability and current transaction conditions | Must be checked at the time of use | Asset support does not imply support for every pair, network, jurisdiction or direction. | Liquidity, maintenance, compliance controls, network status and service updates. |
What the differences mean for an ordinary user
Stablecoin selection is a choice between risk structures. A reserve-backed token places more weight on an identifiable issuer, its banking relationships and redemption promise. A crypto-collateralised token shifts more of the analysis toward collateral volatility, smart contracts, oracles and governance. An algorithmic token may depend primarily on market incentives remaining credible during a sell-off.
A practical review can follow seven checks:
- Identify the reference asset. Confirm whether the token targets a dollar, euro, commodity, basket or another unit.
- Read the stabilisation mechanism. Determine whether support comes from off-chain reserves, on-chain collateral, derivatives, an associated token or a combination.
- Separate direct redemption from exchange trading. A token trading near one dollar does not prove that every retail holder can redeem one-for-one with the issuer.
- Inspect the latest disclosure. Record its reporting date, reserve categories, responsible issuing entity and whether the document is an attestation, assurance engagement or audit.
- Verify the exact token contract and network. The same ticker may appear as native and bridged tokens or as unrelated imitations. Circle’s own materials, for example, distinguish native USDC from third-party bridged USDC backed by tokens locked on another blockchain. [10]
- Check exit conditions. Look at current market liquidity, issuer eligibility, minimums, fees, delays and possible compliance requirements without assuming yesterday’s conditions still apply.
- Check local rules. Availability, disclosure duties, redemption rights and tax treatment may vary by country and user status.
No single check answers everything. A transparent reserve report cannot validate a token contract, while correct on-chain code cannot prove that off-chain reserves are legally available for redemption.
Risks that remain even when the peg looks calm
- Depeg and volatility risk: the market price can move above or below the reference value, especially when liquidity thins or confidence falls.
- Reserve and counterparty risk: banks, custodians, securities and other reserve components can encounter financial, legal or operational problems.
- Redemption risk: direct conversion may be unavailable to some holders or subject to eligibility checks, thresholds, timing and jurisdictional restrictions.
- Smart-contract and oracle risk: bugs, compromised administration, incorrect price data or failed liquidations can damage an on-chain collateral system.
- Blockchain and bridge risk: congestion, validator disruption, bridge failure and confusion between native and wrapped tokens can interrupt transfers or impair value.
- Transaction risk: a correct asset sent to an incompatible network or wrong address may be unrecoverable. Ethereum’s official support material states that confirmed Ethereum transactions cannot simply be reversed. [11]
- Phishing and impersonation: fake support agents, cloned websites and substituted wallet addresses exploit the fact that cryptocurrency payments are typically difficult or impossible to reverse. [12]
- Regulatory risk: a token may face different issuance, trading, redemption or compliance rules in different countries.
Compliance requirements can also vary by transaction direction and the result of applicable screening. Current documentation and required information should be clarified before an exchange request is created.
A repeatable pre-transfer procedure
Immediately before sending funds, reopen the issuer or protocol documentation and confirm that the newest report is newer than the one recorded previously. Check for governance notices, redemption changes, incidents and regulator announcements. Then verify the token contract, selected network, destination address and any required memo or tag using independent screens rather than a link received in an unsolicited message.
Compare the amount shown in the order with the amount and asset displayed by the wallet. If the platform permits it and the economics are reasonable, a small test transfer can reveal an addressing or network mismatch before the full amount is sent. A test does not eliminate smart-contract, counterparty or later depeg risk.
Finally, preserve the order details and transaction identifier. Do not approve a replacement address supplied through an unexpected chat, email or social-media account. Once a valid blockchain transaction is confirmed, neither the stablecoin’s name nor its target price provides a chargeback mechanism.
For a transaction involving supported assets such as USDT or DAI, use the service only as an execution venue—not as evidence about the token’s reserves or safety—and check the currently available exchange directions and networks before creating an order. Availability can change, and support for an asset does not mean that every pair, blockchain or transfer direction is active.