Tether (USDT), launched in 2014, is the largest stablecoin by market cap, operating as a fiat-backed cryptocurrency pegged 1:1 to the US dollar. Built on multiple blockchains, including Ethereum, Solana, Tron, and others, Tether facilitates digital transactions with the stability of fiat currency, widely used for trading, remittances, and DeFi applications. USDT powers trading pairs, liquidity provision, and reserve-backed transactions across centralized and decentralized platforms.

Key Features

  • Stable Value: Pegged to the US dollar, minimizing crypto volatility for traders and investors.
  • Multi-Chain Support: Issued on 14+ blockchains, including Ethereum, Solana, Tron, and Avalanche, enhancing interoperability.
  • High Liquidity: Dominant trading pair on exchanges like Binance, with $49.8B in 24-hour trading volume.
  • Ecosystem: Supports DeFi, cross-border payments, and tokenized assets, with 350M+ users globally.

USDT Token

  • Purpose: Used for trading, transfers, DeFi collateral, and maintaining stable value across ecosystems.
  • Supply: Circulating supply of ~150 billion USDT, with no fixed max supply (issued based on demand).
  • Contract Address: On Ethereum, USDT’s contract is 0xdac17f958d2ee523a2206206994597c13d831ec7 (addable to MetaMask). CoinGecko CMC

Who Are the Founders of Tether?

Tether was co-founded by Brock Pierce, Reeve Collins, and Craig Sellars in 2014 as Realcoin, rebranded to Tether later that year. Tether Limited, owned by iFinex (parent of Bitfinex), manages USDT issuance and reserves. The company is headquartered in the British Virgin Islands, with offices in Switzerland.

What Makes Tether Unique?

Tether (USDT) stands out for its role as the leading stablecoin:

  • Market Dominance: Holds ~70% of the stablecoin market share, with $1.4M BTC market cap, ranked #3 on CoinGecko.
  • Trading Volume: Most traded cryptocurrency globally, with $49.8B in 24-hour volume, surpassing Bitcoin.
  • Fiat Integration: Enables seamless fiat-to-crypto conversions, acting as a bridge for traders and institutions.
  • Controversy: Faces scrutiny over reserve transparency, though quarterly attestations by BDO Italia show $118.4B in reserves, including $5.3B in excess.

USDT Network Upgrades (2025)

  • Discontinued Support (March 2025): Tether ended support for USDT on EOS, Algorand, OmniLayer, BCH-SLP, and Kusama to streamline operations.
  • Latin America Expansion (Q1 2025): Launched MXNT (Mexican Peso stablecoin) and named Mexico a key hub for Latin American adoption.
  • MiCA Compliance (June 2025): Invested in StablR to align with EU’s MiCA regulations, enhancing regulatory compliance for USD and EUR stablecoins.

    How Is USDT Secured?

Tether and USDT are secured through:

  • Fiat Reserves: Claims 100% backing by reserves (US Treasury Bills, cash, and other assets), verified by quarterly attestations.
  • Multi-Chain Security: Leverages the security of host blockchains (e.g., Ethereum’s PoS, Solana’s PoS).
  • Redemption Process: Users can redeem USDT for USD after KYC/AML verification.
  • Audits: Quarterly attestations by BDO Italia, though full independent audits remain pending.

Conclusion

Tether (USDT) is the leading stablecoin, powering global crypto trading, DeFi, and cross-border payments with its 1:1 USD peg. Its multi-chain support, high liquidity, and institutional adoption make it a cornerstone of the $3.5T crypto market. Despite reserve transparency concerns, Tether’s $14B in 2024 profits and regulatory efforts position it as a critical infrastructure for digital finance.