What Is USDT? Bitcoin, USDT and Crypto Wallets Explained Simply

In short

  • USDT ≈ 1 US dollar — the coin Pakistanis start with
  • BTC/USDT = how many USDT one Bitcoin costs
  • Address = safe to share · Seed phrase = never share
  • Nobody real will ever ask for your seed phrase

There are thousands of cryptocurrencies, but you only need to know a few to start.

  • Bitcoin (BTC) — the first and biggest, "digital gold".
  • Ethereum (ETH) — a world computer that runs apps and tokens.
  • Tether (USDT) — a digital dollar, always about $1.
  • Altcoins — everything else; bigger swings, bigger risk.

USDT is the most important one for you. 1 USDT is always worth about 1 US dollar. In Pakistan almost everyone first turns rupees into USDT, then uses USDT to buy other coins.

USDT (Tether): A digital dollar (1 USDT ≈ $1, ≈ Rs 280 on P2P, Price stays stable).

On an exchange you'll see prices written like BTC/USDT. Read it as: how many USDT for one Bitcoin?

Reading a price pair

  • BTC/USDT = 67,000 — One whole Bitcoin costs 67,000 USDT.
  • You can buy a slice — 0.001 BTC costs about 67 USDT — you never need a whole coin.

Where do your coins live? In a wallet — like a bank account you open yourself. Every wallet has two very different things:

Address

  • Like your account number
  • Starts with letters like T… or 0x…
  • Safe to share — people send you crypto here

Seed phrase

  • 12 or 24 secret words
  • The master key to ALL your money
  • NEVER share it — not with anyone, ever

There are two kinds of wallets:

Exchange wallet

  • The exchange holds the keys for you
  • Easiest for beginners
  • Like keeping money in a bank

Self-custody wallet

  • Trust Wallet, MetaMask, etc.
  • You hold the 12 words yourself
  • Lose the words = lose the money forever

Before we go further, let's protect you. These scams are very common in Pakistan:

Scams to recognise instantly

  • WhatsApp 'investment' groups that double your money
  • 'Support staff' asking for your seed phrase or password
  • Signal groups that guarantee profit
  • Unknown apps promising fixed daily returns

Real exchanges — and Nunno — will NEVER ask for your seed phrase or password.

Someone from 'Binance support' messages you asking for your 12-word seed phrase to fix your account. What do you do?

Answer: Never share it — it's a scam. Correct. No real company will ever ask for it.

Practise this lesson interactively in Nunno Academy. More guides: Learn crypto.

Educational content, not financial advice.