What is USDT (USDT)?
USDT (Tether) is a cryptocurrency classified as a stablecoin. It was launched in 2014 by Tether Limited with the aim of pegging its value to the U.S. dollar (USD) at a 1:1 ratio. This means that, in theory, the value of 1 USDT should always remain around 1 USD.
The value of USDT is primarily backed by reserve assets held by its issuer, Tether Limited. According to attestation reports published by , these reserve assets consist mainly of U.S. Treasury bills, supplemented by small amounts of Bitcoin, gold, and other investments, to ensure that the total amount of USDT in circulation is fully or over-backed.The international auditing firm BDO regularly publishes quarterly attestation reports to enhance the transparency of its reserve assets.
As a multi-chain asset, USDT circulates on multiple mainstream blockchains, including Ethereum (ERC-20), Tron (TRC-20), Solana, and others. This grants it a high degree of versatility and liquidity, enabling it to be easily transferred between different blockchain ecosystems.
What is USDT used for?
USDT plays multiple key roles in the cryptocurrency ecosystem, with its primary uses including:
- Hedge against market volatility: During periods of high volatility in the cryptocurrency market, traders can quickly convert other highly volatile assets—such as Bitcoin and Ethereum—into USDT to lock in asset value and avoid further losses. It provides a convenient way to hold stable value on-chain without the need for frequent conversion to traditional fiat currencies.
- Primary Medium of Exchange: Many cryptocurrency exchanges use USDT as the primary pricing benchmark and trading pair. For example, Bitcoin is typically traded as BTC/USDT. This allows traders to conveniently switch between different crypto assets without the need for fiat currency intermediaries.
- Cross-Border Transfers and Remittances: USDT enables fast, low-cost global value transfer. Compared to international wire transfers through traditional banks, USDT transfers are typically more efficient and incur lower transaction fees, making them particularly suitable for large-value or frequent cross-border payments.
- Decentralized Finance (DeFi) Applications: USDT is one of the core assets in the DeFi ecosystem. It is widely used in various DeFi protocols, such as decentralized exchanges (DEXs), lending platforms, liquidity mining, and staking services, where users can earn yields by providing USDT liquidity or lending out USDT.
Controversies and Risks Surrounding USDT
Although USDT holds a significant position in the crypto market, its development has also been accompanied by considerable controversy and potential risks:
- Reserve Transparency and Quality: Although Tether regularly publishes audit reports, its reserve assets are not 100% cash or cash equivalents, and the liquidity or risk levels of certain assets have raised market concerns. Critics argue that the composition of the reserves lacks transparency and may pose potential credit risks.
- Regulatory Challenges: The stablecoin sector is facing increasingly stringent regulatory scrutiny worldwide. For example, major jurisdictions such as the United States and the European Union (e.g., the MiCA regulation) are developing specific stablecoin regulations, which may impact USDT’s operating model, compliance requirements, and market access.
- Decoupling Risk: Although USDT is designed to maintain a 1:1 peg to the U.S. dollar, its price has experienced brief fluctuations and decoupled from the dollar during periods of extreme market stress or specific events. While these decouplings are typically temporary, they serve as a reminder that the stablecoin is not entirely risk-free.
- Centralized Operation Risk: As a centrally issued stablecoin, Tether, Limited has the authority to freeze USDT assets held in specific addresses. While this is typically done for compliance or security purposes, it raises concerns regarding user control over their assets and the risk of censorship.
- Money Laundering Risks: Due to its high liquidity and ease of cross-border transfers, USDT is sometimes used by criminals for illegal activities such as money laundering. Law enforcement agencies in some countries and regions have pointed out instances where USDT has been misused in cryptocurrency-related crimes.
Latest Developments and Market Position
As of July 2026, USDT remains the world’s largest stablecoin by market capitalization and is one of the most heavily traded digital assets in the cryptocurrency market, typically ranking third in total cryptocurrency market capitalization. Its circulating supply and market capitalization both remain between approximately $184 billion and $189 billion.Relevant market data and information can be viewed on trading platforms such as Svmuu.
In recent years, Tether. has also been actively expanding its business scope.For example, Tether has continued to increase its holdings of Bitcoin; as of this writing, its total holdings have reached approximately 97,000 Bitcoin, making it the second-largest corporate entity holding Bitcoin globally. Additionally, Tether announced in February 2026 that it would cease minting the CNHT stablecoin, which is pegged to the Chinese yuan, and plans to discontinue exchange support in 2027.At the same time, to optimize resource allocation, Tether has also announced that it will discontinue support for USDT on chains such as EOS, Algorand, OmniLayer, BCH-SLP, and Kusama.In terms of strategic positioning, Tether has also entered the AI sector through initiatives such as the acquisition of Northern Data Group and has appointed Paolo Ardoino as the company’s CEO, demonstrating its commitment to diversification beyond cryptocurrency.
