Issuer explainer

What Is USDT (Tether)?

USDT is the largest and most traded stablecoin in the world, issued by Tether. Here is how it works, how it is backed, and where it runs, with live market data.

USDT (Tether) is a U.S. dollar stablecoin first launched in 2014, making it the oldest and by far the largest stablecoin by market capitalization. It is issued by Tether Operations Limited and designed to trade at one dollar.

USDT is the deepest source of dollar liquidity in crypto. It dominates trading pairs on exchanges and is widely used for payments and remittances, particularly on the Tron network in emerging markets where access to dollars is limited.

How USDT is backed

Tether says each USDT is backed by reserves that include cash and cash equivalents, with a large allocation to short-dated U.S. Treasuries. Tether publishes quarterly attestations of its reserves prepared by the accounting firm BDO.

Historically Tether's reserve transparency drew scrutiny, and it does not provide a full audit to the standard of some peers. Reserve quality and disclosure remain the key things to monitor for any treasury team holding USDT.

Chains and availability

USDT is issued across many blockchains, including Tron, Ethereum, Solana, and others. Tron and Ethereum carry the largest USDT supply, with Tron favored for low-cost transfers and remittances.

What USDT is used for

  • The dominant trading and settlement pair across crypto exchanges
  • Cross-border payments and remittances, especially on Tron
  • A dollar store of value in markets with limited banking access
  • On and off ramps between fiat and crypto

Market data from CoinGecko, refreshed on each deploy. Editorial details per issuer disclosures. Not investment advice.

FAQ

USDT, answered

What is USDT?

USDT (Tether) is a U.S. dollar stablecoin launched in 2014 and issued by Tether Operations Limited. It is the largest stablecoin by market capitalization and is designed to be redeemable 1:1 for a dollar, backed by reserves of cash, cash equivalents, and short-dated U.S. Treasuries.

Is USDT safe and fully backed?

Tether states that USDT is fully backed by reserves and publishes quarterly attestations from BDO. It does not provide a full audit to the standard of some peers, so reserve quality and transparency are the main considerations for holders.

What blockchain is USDT on?

USDT is issued on many chains, with the largest supply on Tron and Ethereum, followed by Solana and others. Tron is popular for low-cost transfers and remittances.

Why is USDT so widely used?

USDT has the deepest liquidity of any stablecoin, dominates exchange trading pairs, and is heavily used for cross-border payments in emerging markets, which reinforces its network effects.