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Stablecoins: what USDT is and why deposits use it

A dollar that moves like an email. How Tether keeps its peg, what the risks are, and why a platform serving traders in fifty countries settles in USDT rather than bank wires.

19 March 2026·4 min read · 855 words·IDTraders research desk

Every deposit and withdrawal on IDTraders is in USDT. Every crypto pair on the platform is quoted against it. If you are new to crypto, "USDT" looks like one more ticker; it is in fact the plumbing that makes the rest work, and it is worth ten minutes to understand.

What a stablecoin is

A stablecoin is a digital token designed to be worth exactly one unit of a currency — for USDT, one US dollar. It lives on a blockchain like Bitcoin does, so it can be sent anywhere in minutes for a small fee, but its price does not move. It is, in effect, a dollar that behaves like an email.

USDT (Tether) is the largest, with well over a hundred billion dollars in circulation. USDC (Circle) is the second. There are others, but for a trader the two names cover almost everything.

How the peg holds

Tether promises that every USDT is backed by a dollar's worth of reserves — mostly US Treasury bills — and that anyone who holds USDT can redeem it for dollars. As long as that promise is believed, arbitrage keeps the price at $1: if USDT trades at $0.99 on an exchange, traders buy it and redeem it for $1.00, and the buying pushes the price back up. If it trades at $1.01, they mint new USDT for $1.00 and sell.

The peg has wobbled a few times — dipping to about $0.95 for hours during crypto panics in 2022 — and returned each time. It has never broken. But it depends on trust in the issuer's reserves, which is a different kind of risk from anything in the forex market. Traders manage it by not treating any stablecoin as a long-term savings vehicle; it is a settlement tool, held for as long as needed and no longer.

Why the platform uses it

IDTraders has clients in many countries, and moving dollars between countries by bank is slow, expensive and unreliable — days of delay, correspondent-bank fees, and in some places restrictions on receiving foreign currency at all. USDT solves all three:

  • Speed. A USDT transfer confirms in minutes on either of the networks the platform supports.
  • Cost. Deposits are free; a BEP-20 withdrawal is free, and a TRC-20 withdrawal carries only the network's own fee, shown before you confirm.
  • Reach. Anyone with a crypto exchange account or a wallet can send it, from anywhere, without a bank in the middle.

It also means every balance on the platform is in one unit. Your Main Wallet, Copy Wallet, IB wallet and Reward Wallet are all USDT; a master's returns and your profit share are USDT; nothing is converted.

BEP-20 and TRC-20

USDT exists on several blockchains. The platform accepts it on two: BEP-20 (the BNB Smart Chain) and TRC-20 (Tron). They are the same dollar on two different rails; the token is identical in value, but a transfer must be sent and received on the same rail or the funds are lost. BEP-20 and TRC-20 goes through the differences and the one rule that matters: match the network.

What USDT means for crypto pairs

BTC/USDT is Bitcoin priced in Tether. Because USDT is worth a dollar, the chart is the same as BTC/USD, and traders use the two names interchangeably. The reason exchanges quote against USDT rather than dollars is that USDT can be moved between exchanges instantly, so it became the common currency of crypto trading. For you, the practical difference is nil — until the day a stablecoin de-pegs, when BTC/USDT and BTC/USD would briefly diverge. It has not happened to USDT beyond a few cents; it is worth knowing it could.

USDT versus USDC

The two largest stablecoins differ mainly in who issues them and how they report. USDC is issued by a US company with monthly attestations of reserves held largely in cash and short Treasuries; USDT is larger, more widely used in Asia and on most exchanges, and has historically been less transparent, though its reporting has improved. In a crisis of confidence in one, traders rotate into the other within hours, which is what keeps both honest. The platform uses USDT because it is what the exchanges and wallets of most of its clients hold; the choice is about reach, not a view on which is safer.

Risks in plain words

  1. Issuer risk. USDT is only as good as Tether's reserves. Regulators in several countries now audit stablecoin issuers, which has improved transparency; it has not removed the risk.
  2. Network risk. Sending on the wrong chain, or to a wrong address, is irreversible. There is no bank to call.
  3. Regulatory risk. A country can restrict stablecoin use overnight. This affects your ability to move USDT locally, not the platform's balance.

None of these is a reason not to use USDT; they are reasons to hold it as a tool rather than a store of wealth, to check the network twice, and to keep the dollars you do not need for trading somewhere else.

USDT is a dollar that travels like an email. It makes a global platform possible. Treat it as plumbing — essential, fast, and not where you keep your savings.

This article is education, not investment advice. Trading and copy trading in leveraged instruments carry a high risk of losing the funds you allocate. Read the Risk Disclosure.

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