What Is USDT? How Tether Works, Uses & Risks

In this guide, we'll discuss what USDT is, how it works, why it holds value, its advantages, disadvantages, its history and its future applications. Most importantly, we’ll explain how users can start earning interest on their USDT holdings.

Compare Ledn’s current USDT Growth rates and account structure if you want to earn interest rather than simply hold a dollar-linked token.

What Is Tether (USDT)?

Tether USD₮, usually written USDT, is a stablecoin designed to track the US dollar. Tether issues the token against reserves rather than relying on an algorithmic peg. It is used as a trading balance, a cross-border transfer asset and a source of dollar-linked liquidity. The token is not a US bank deposit, and its market price can differ from $1.

How Does USDT Work?

USDT's stability comes from its reserves. Tether's issuer holds an equivalent or greater value in US dollars or assets for each USDT in circulation. Tether does not use algorithmic price stabilization; it relies on reserves and market arbitrage, as per its reserve data on its transparency page. 

Why Does USDT Have Value?

USDT maintains its value through a 1:1 peg to the US dollar. This potential stability is especially valuable in emerging markets, where local currencies can be volatile. However, there is some nuance to this - value depends on confidence in the issuer, along with liquidity. 

For instance, if trust in Tether dropped significantly, it could lead to uncertainty, which would affect USDT’s value. Some argue this nearly happened several years ago, when USDT was coming under pressure to be more open about its holdings.

In crypto, no value is ever guaranteed, even with stablecoins, there is a serious risk of the asset facing devaluation, or depegging, which can negatively affect a user’s finances.

Why Buy USDT?

Let’s take a look at the top reasons to buy USDT:

Access to potential stability when day-trading: Day-traders hold USDT so they can make quick purchases of cryptocurrencies without having to constantly convert fiat. It allows for faster activity in the market. That being said, no stablecoin is fully impervious to depegging, where the price no longer matches USD.

Global remittance: Some countries have inefficient (and occasionally inaccessible) banking systems. Therefore, it makes sense to use USDT as an alternative with 24/7 availability. Cryptocurrencies like Bitcoin or Ethereum are sometimes used, too, but their volatility can be unappealing when it comes to remittance.

On and off-ramping: Buying and selling cryptocurrency can be a long and complex experience. Even in countries that are crypto-friendly, it is often a multi-step process. Holding USDT significantly simplifies this. 

Note that in times of extreme market stress, converting USDT back to fiat (or withdrawing from a yield account) could be delayed or halted.

Yield possibilities: Holding USDT in a Growth Account, or providing it as liquidity in DeFi cryptocurrency markets, gives the ability to earn interest in some conditions. Some people do this as a means of generating yield, which incurs different risks compared to actions like day-trading. However, the reality is that there are always risks when engaging in financial activity of this sort - while yield opportunities may exist in some settings, there is still a serious risk of loss.

Note that counterparty and liquidity risks exist with trying to access finances via yielding.

Advantages of USDT

USDT offers numerous advantages, such as maintaining a generally consistent value during times of crypto market volatility. It is backed by a mix of fiat and other asset reserves, and users can even earn rewards through platforms like Ledn. USDT operates on multiple blockchains, facilitating faster global transactions.

1. Stability (Compared to Traditional Cryptocurrencies) During Market Volatility

USDT acts as a potential anchor against crypto market turbulence by attempting to maintain a strict 1-to-1 peg with the US dollar.

2. Multi-Chain Support and Ubiquity

USDT is supported by a range of blockchains, including Ethereum, Solana and TRON. Verify whether a token on another network is natively issued or bridged.

3. Access Interest-Bearing Accounts

Holders can turn their idle funds into income-generating assets by earning interest through Growth Accounts on platforms like Ledn, or other similar styled-accounts elsewhere.

4. Fast Global Transactions

The token’s multi-chain availability streamlines cross-border payments, which can support transfers outside banking hours. The full speed and cost still depend on the network and the recipient's conversion route.

Who Runs USDT?

The current issuer identified in Tether's legal terms is Tether International, S.A. de C.V. Formerly Tether International Limited, it redomiciled from the British Virgin Islands to El Salvador. Its February 2026 information document gives its registered address in San Salvador. This is the entity relationship that matters for issuance and direct redemption; it is distinct from an exchange offering USDT trading.

Tether launched in 2014. Its issuer and the service through which a customer buys USDT are separate counterparties. Tether publishes issuance, reserve and redemption information; an exchange determines its own supported networks and customer withdrawal processes. Do not confuse an exchange balance with an account directly verified by Tether.

Tether has faced scrutiny over its historic reserve representations. For present-day assessment, its FAQ describes daily circulation reporting and quarterly reserve reports prepared by BDO Italia. Its listed token products include USDT, MXNT and gold-backed XAUT. A gold token is not dollar-pegged: the underlying asset and price exposure are different.

What is USDT Backed By?

Tether says each issued USDT is backed by at least an equivalent dollar value of reserves. That is different from saying every token has one cash dollar in a bank. Its reserve framework includes cash, cash equivalents and other assets, including receivables from third-party loans; its FAQ also explains why it holds Bitcoin and gold. The reserve disclosures let readers assess those categories and reporting dates rather than equating all reserve assets with cash.

A reserve assurance report should be read for the entities, assets, liabilities, date and criteria it actually covers. It is not automatically a full financial-statement audit, a continuous view of reserves or a guarantee against future loss. The distinction matters when comparing stablecoin issuers and the platforms that hold their tokens.

The History of USDT

The Beginning 

Tether (USDT) was founded in 2014 to bridge the gap between traditional finance and the crypto ecosystem. Its primary goal was to offer a digital asset that maintained a consistent value, contrasting with the extreme volatility of the crypto space.

Integration with Major Crypto Exchanges

A turning point occurred when major exchanges integrated USDT. This drove global adoption, making it the standard tool for traders to manage portfolios and navigate markets efficiently.

Challenges and Controversies

The CFTC's October 2021 settlement concerned historical statements about USDT's backing and required Tether to pay $41 million. That dated enforcement action is relevant history, not a finding about today's reserve balance.

Depegging issues

USDT has faced depegging several times - one notable example is when the algorithmic stablecoin TerraUSD collapsed to zero. This led to fears across the stablecoin market, where many competitors, including USDT and USD Coin (or USDC), were treated with increased scrutiny. Galaxy’s historical analysis records USDT trading below $0.95 on 12 May 2022; the price depended on the trading venue. While this may seem like a small difference, any form of instability reduces the asset’s purpose and therefore can damage its reputation. Additionally, changes like this could happen again in the future, as the market is deeply unpredictable, and stablecoins are still a relatively novel concept.  

The Future of USDT

Looking ahead, USDT is likely to continue adapting to evolving market dynamics, solidifying its important position in the crypto ecosystem. Its versatility and attempted stability make a number of applications possible.

These other applications include:

• Facilitating cross-border transactions.
• Seamless integration with decentralized finance (DeFi) protocols, supporting liquidity and collateralization.
• Increasing the number of blockchains supporting USDT.
• Adoption in global e-commerce and online payments, doubling as a store of value and hedging solution against crypto market volatility.
• Integration into diversified investment portfolios, bridging the gap between traditional and digital assets.

When discussing USDT’s future, it’s imperative to note that the regulatory environment for stablecoins is still developing globally, and future regulations could negatively impact USDT's utility, value, or legality in certain jurisdictions.

How Ledn Growth Accounts Work With USDT

Eligible clients can use Ledn USDT Growth Accounts. On 26 October 2026, the published variable rates are 5.0% APY on the first 100,000 USDT and 6.0% APY on the excess over 100,000 USDT. The upper band is marginal, not a rate paid on the entire balance. Rates can change, and eligibility restrictions apply.

Earning interest involves risks, including counterparty risk, liquidity risk, and potential loss of assets.

Ledn states that stablecoin Growth interest is currently generated primarily by lending to its Bitcoin-collateralized retail loan book. Borrower collateral and underwriting are relevant safeguards, but do not eliminate credit, liquidity or provider exposure. Earning interest is a separate lending relationship on top of the risks of holding USDT.

Growth and Transaction Accounts serve different purposes. A Growth balance participates in the interest product; a Transaction Account is non-interest-bearing and used for transfers and other supported activity. Moving between them changes how the assets are used, not the underlying stablecoin's issuer risk.

With Ledn, users get:

• Full visibility into how it generates interest, including Ledn's Open Book Report.
• Ledn structures its Growth Accounts so that these assets are distinct from its general corporate operations, meaning yield generation is tied specifically to the performance of vetted borrowing counterparties.
• It is the first digital asset lending company in the crypto industry to complete a Proof-of-Reserves attestation and execute them periodically every 6 months. 
• Users can transfer between Growth Accounts and non-interest-bearing Transaction Accounts.
• Account security: Ledn reports HTTPS transport and AES-256 encryption of sensitive information. Its current authentication guidance recommends phishing-resistant passkeys or hardware security keys; authenticator-app TOTP remains available only where already configured. These controls address account access, not credit risk or the stablecoin peg.

Direct redemption versus selling through an exchange

Direct Tether access is not the same as selling a small USDT balance on an exchange. Tether's published fee schedule lists a $100,000 minimum acquisition or redemption and a redemption fee equal to the greater of $1,000 or 0.1%. Account verification is required. Smaller users commonly rely on a secondary-market sale, where the trading price, spread, withdrawal fee and banking route determine the cash received.

Check the transfer route before sending

Match the asset, network and destination instructions. USDT on one chain is not automatically accepted by a recipient supporting another. A bridged version can add dependencies beyond the issuer. Confirm the deposit address and any minimum, then keep the transaction record. An unsupported transfer may be unrecoverable even when the ticker looks correct.

For the next decision, compare USDC and USDT, USDT interest rates and what USDT staking actually means. If you need liquidity against Bitcoin rather than income on stablecoins, Bitcoin-backed borrowing is a different product with interest costs and liquidation risk.

Separate the token's risks from the account's risks

• Issuer and reserves: backing composition, redemption access and issuer controls support the peg but do not guarantee the trading price.
• Platform: an exchange or lender adds its own credit, custody and withdrawal exposure.
• Network and wallet: supported chains, keys, approvals and irreversible transfers affect practical access.
• Regulatory: issuance and platform eligibility differ by jurisdiction and service.

USDT is not a native proof-of-stake asset. A USDT yield offer uses a separate lending, liquidity or reward arrangement; merely holding the token does not earn validator rewards.

Conclusion

USDT is widely used for trading and transfers. Its usefulness depends on liquidity, the supported route and the service you use. For interest, evaluate the lending product separately from the token.

Disclaimer

This article is sponsored by 21 Technologies Inc. and/or its subsidiaries (“Ledn”) and is for general information, discussion, or educational purposes only and is not to be construed or relied upon as constituting legal, financial, investment, accounting, tax, estate-planning, or other professional advice or recommendation. Please read Ledn’s full Risk Disclosure Statement and Disclaimers.

Current Ledn rate figures use the Rates and Fees Schedule, checked 26 October 2026. Rates are variable and eligibility restrictions apply.

Sources checked for this update

• Tether issuer documentation
• Tether issuer documentation
• Tether issuer documentation
• Ledn product, terms or reporting
• CFTC historical enforcement record
• Primary research and documentation
• Ledn product, terms or reporting