How to buy BTC
A simple, safe, step-by-step way to buy BTC — starting with the one thing most guides skip: picking an exchange whose volume is actually real.
For BTC, OKX runs the cleanest book — 67% honest on $243.07B real volume. buy where the tape isn't faked.
Choose a trustworthy exchange
Not every exchange shows real volume. For BTC, OKX runs the cleanest tape we measure — 67% of its reported volume is genuine, so the price you see is the price you get.
Create your account
Sign up with your email, set a strong password and turn on two-factor authentication right away. It takes a couple of minutes.
Create your OKX account →Verify your identity
Most regulated exchanges ask for a quick ID check before you can deposit. Have your passport or driver licence ready. Always check that BTC trading is available in your country first.
Add funds
Deposit with a bank transfer or card, or send USDT from another wallet. Bank transfers are usually the cheapest way in; cards are the fastest.
Buy BTC
Go to the BTC market and place your order. A market order fills instantly at the current price; a limit order lets you set the exact price you want to pay. Start small while you learn.
Secure your coins
Leave BTC on the exchange for active trading, or withdraw it to a personal wallet for long-term holding. Never share your seed phrase or password with anyone — no real support agent will ever ask for it.
Affiliate disclosure: the exchange buttons above are referral links — we may earn a commission at no cost to you. Not financial advice. Check that BTC trading is available in your country. Never share your seed phrase.
What is the best place to buy BTC?
OKX has the cleanest BTC order book in our data — 67% of its reported volume is real, on roughly $243.1B in genuine daily volume. That means tighter spreads and a fairer fill.
Is it safe to buy BTC on OKX?
We rank venues by how much of their volume is genuine versus wash-traded. OKX scores 67% honest for BTC, which is why we recommend it. Still, enable two-factor authentication and only invest what you can afford to lose.
Can I buy BTC with a credit card or bank transfer?
Yes. Most major exchanges let you fund your account with a card or a bank transfer. Cards are fastest; bank transfers usually have lower fees. Availability depends on your country.
Should I buy BTC on spot or futures?
If you simply want to own BTC, use the spot market. Futures are for leveraged trading and carry far more risk. The deepest real liquidity for BTC right now is on the futures market.
How much BTC do I need to buy to get started?
Most exchanges let you start with just a few dollars. You do not need to buy a whole coin — you can own a small fraction of BTC.