What Is Tether and How Does It Work?

By: WEEX|Sep 16, 2025

Cryptocurrency volatility presents both opportunities and challenges – while it enables substantial profit potential, it also makes crypto an unreliable store of value. However, what if this instability could be eliminated? This is where Tether (USDT) comes in – a stablecoin specifically designed to minimize volatility while preserving the advantages of cryptocurrencies. Here's how it functions.

What is Tether (USDT)?

The term "tether" traditionally refers to tying something in place, whether it's livestock to a post or a device to a network. Similarly, Tether anchors itself in the crypto ecosystem – not to physical objects, but to the US dollar. As part of the stablecoin category, Tether maintains price stability by being pegged to fiat currencies.

Each USDT token maintains a 1:1 ratio with the US dollar, meaning 1 USDT = 1 USD. Tether Limited ensures this stability by holding equivalent reserves in fiat currencies. Unlike cryptocurrencies with fixed supplies, Tether has no supply cap, as its issuance depends on demand and available reserves.

Why is Tether Important?

Suppose you convert $50 into USDT – you receive 50 USDT, which can then be traded, exchanged, or redeemed within the crypto market. Its stable value makes it ideal for storing wealth, trading, and transactions without exposure to the wild price swings seen in assets like Bitcoin or Ethereum.

For instance, during a Bitcoin market downturn, traders often swap BTC for USDT to safeguard their capital. Later, they can repurchase BTC at lower prices, using USDT as a temporary hedge against volatility.

Tether uniquely combines blockchain benefits with fiat currency stability, making crypto transactions faster, more secure, and efficient for traders, exchanges, and merchants alike.

Key Features of Tether

  • Stable & Fully Backed – Each USDT is 1:1 backed by fiat reserves.
  • Transparent – Tether publishes daily reserve reports to verify backing.
  • Secure – Built on blockchain technology for enhanced security.

Who Benefits from Tether?

  1. Crypto Exchanges

Exchanges use USDT trading pairs to simplify fiat-to-crypto conversions, reducing transaction steps and improving liquidity.

  1. Traders & Investors

Traders use USDT to hedge against volatility, preserving capital during market downturns.

  1. Merchants & Businesses

Merchants accept USDT for stable pricing, avoiding crypto volatility and chargeback risks.

Primary Use Cases for Tether

  • Trading – Hedge against volatility without cashing out to fiat. Cross-Border Transfers – Move funds globally with low fees and fast settlement. Savings & Remittances – Protect wealth in unstable economies and send money internationally.

Potential Risks of Tether

  • Reserve Controversies – Questions remain about Tether’s full backing. Regulatory Scrutiny – Authorities have investigated Tether’s reserves and operations. Counterparty Risk – Users must trust Tether Limited to maintain sufficient reserves.

Tether vs. Other Cryptocurrencies

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FeatureTether (USDT)Bitcoin (BTC) Ethereum (ETH) 
StabilityPegged to USD (stable)Highly volatileHighly volatile
Primary UseTrading, paymentsStore of valueSmart contracts, DeFi
Liquidity Extremely highHighHigh (DeFi/NFT focus)
RegulationUnder scrutinyIncreasing clarityEvolving framework
Risk ProfileReserve concernsPrice volatilityNetwork upgrades, gas fees

The Future of Stablecoins

Tether (USDT) has already reshaped cryptocurrency usage. While it remains the dominant stablecoin, new fiat-backed alternatives are emerging. As adoption grows, stablecoins like USDT will likely bridge traditional finance and crypto, unlocking new real-world applications.

Further Reading

Disclaimer: The opinions expressed in this article are for informational purposes only. This article does not constitute an endorsement of any of the products and services discussed or investment, financial, or trading advice. Qualified professionals should be consulted prior to making financial decisions.

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