How to Buy Bitcoin (BTC)
How to buy BTC in 2026: open an account on Coinbase, complete KYC, deposit fiat, place an order, and withdraw to self-custody. Step-by-step with security tips.
Know what you're buying: BTC specifics
Bitcoin is the original cryptocurrency, with a fixed, hard-capped supply and its own proof-of-work chain. Native BTC is not a token on any other network: wrapped versions such as WBTC are separate ERC-20 tokens on Ethereum that track BTC 1:1 through a custodian-backed model, which adds custodian risk that native BTC does not have. Sending native BTC to an Ethereum address, or WBTC to a Bitcoin address, loses the funds.
How Bitcoin fees actually work
On-chain fees are priced in satoshis per virtual byte (sat/vB) — you pay for the data size of the transaction, not the amount sent — and the going rate floats with mempool congestion: in quiet periods a transaction at 1–5 sat/vB can confirm in the next block, while congestion spikes have pushed rates into the hundreds of sat/vB. Batching withdrawals, rather than making many small ones, amortises the cost. One concrete saving: withdraw to a native SegWit bech32 address (starting bc1) — these transactions are smaller, cutting roughly 35–45% off fees versus legacy addresses.
Lightning withdrawals
For small amounts, the Lightning Network — Bitcoin's payment layer, which settles transfers without recording each one on the blockchain — moves BTC in seconds for negligible fees. Kraken has supported Lightning deposits and withdrawals since 2021; Coinbase rolled out Lightning sends in 2024 in collaboration with Lightspark, charging a 0.2% processing fee; Binance supports Lightning withdrawals in select markets.
Custody
BTC needs no memo or destination tag. For long-term holdings, a hardware wallet is the standard answer — see our guides to setting up a Ledger and using cold storage. Balances left on an exchange are an IOU against the exchange's solvency, not coins you control.
One BTC-specific risk
Bitcoin has no staking: the protocol pays no yield to holders. Every "earn interest on your BTC" product is a lending arrangement whose return comes with counterparty risk — a lesson the 2022 lender collapses taught expensively. Treat BTC yield offers as credit decisions, and remember that fee spikes tend to arrive exactly when everyone wants to move coins at once.
What you'll need (prerequisites)
- Government-issued ID
- Bank account or debit card
- Email address
- Authenticator app for 2FA
Recommended for this tutorial
Tools and accounts referenced in the steps below:
Step-by-step
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Step 1: Open an account on Coinbase
Visit the official Coinbase website. Click "Sign up" and enter your email and a strong password. Confirm the email link in your inbox.
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Step 2: Verify your identity (KYC)
Most regulated exchanges require ID verification before fiat deposits. Upload a government-issued ID (passport or driver's licence) and a selfie. Verification usually completes in minutes, occasionally up to 24 hours.
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Step 3: Enable two-factor authentication
Open your account security settings and enable 2FA using an authenticator app (Authy, Google Authenticator, Aegis). Avoid SMS 2FA — it is vulnerable to SIM-swap attacks. Save the recovery codes offline.
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Step 4: Deposit fiat
Link a bank account, debit card or use SEPA / ACH / Faster Payments. Bank transfer is cheapest; card deposits incur a 1.5–4% surcharge. Wait for the deposit to credit (instant for cards, hours-days for bank transfer).
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Step 5: Place a market or limit order for BTC
Navigate to the BTC/USD or BTC/EUR pair. A market order fills immediately at the best available price. A limit order only fills at your chosen price; better for large orders to avoid slippage.
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Step 6: Withdraw to self-custody
Once filled, transfer BTC from the exchange to a Bitcoin wallet you control (a hardware wallet such as Ledger or Trezor). Exchanges are custodial — your keys live with them. Send a small test transaction first to confirm the address before moving the full balance.
Common errors and fixes
- KYC delayed >24h. Re-upload a clearer photo of your ID with the corners visible and good lighting. Contact support if it still takes longer than 48 hours.
- Bank transfer rejected. Some banks block transfers to crypto exchanges. Try a different bank, debit card, or stablecoin on-ramp like MoonPay / Banxa.
- Withdrawal address rejected. Confirm you copied the entire address (not truncated) and selected the correct network — sending ERC-20 to a Bitcoin address loses the funds permanently.
- 2FA code rejected. Server time and authenticator clock must be in sync. Re-sync your phone clock or regenerate 2FA from the recovery codes.
- High network fees on withdrawal. Bridge to an L2 or use a chain with cheaper fees if available; or batch withdrawals to amortise the fixed cost.
FAQ
What is the cheapest way to buy BTC?
Bank transfer (ACH / SEPA / Faster Payments) on Coinbase is the cheapest, with fees typically under 0.5%. Card deposits add 1.5–4%. P2P platforms can be cheaper but riskier.
Do I need to do KYC to buy BTC?
On regulated exchanges (Coinbase, Kraken, Binance), yes — KYC is required for fiat on-ramps. Decentralized routes via DEXes plus stablecoins do not require KYC but require crypto already in self-custody.
Should I leave BTC on the exchange?
For small amounts (< $1,000) or active trading, yes. For larger amounts or long-term holding, withdraw to self-custody (Ledger or Trezor recommended). "Not your keys, not your coins."
What is the minimum amount of BTC I can buy?
Most exchanges allow purchases as low as $1-5 worth of BTC. BTC is highly divisible, so you can buy fractional amounts far below 1 whole coin.
Can I buy BTC with a credit card?
Yes, but card issuers often code it as a cash advance, triggering high APR and fees. Debit card or bank transfer is safer.