Buy Bitcoin. Now.
Select an amount, confirm the price, and buy Bitcoin instantly – 24/7, from €10 to €100,000.
Investments involve risks.
Bitcoin Smash Buy
From €10 to €100,000
No waiting for a target price. Choose your amount and buy Bitcoin directly at the current price.
Available 24/7
Bitcoin never sleeps. With Smash Buy, you can buy around the clock – even on weekends.
Transparency including price guarantee
See your price and how much Bitcoin you'll get before you buy. Confirm. Done.
The fastest way to Bitcoin
1. Deposit Euro
Deposit euros via SEPA or SEPA Instant into your 21bitcoin account.
2. Select amount
Decide how many euros you want to invest in Bitcoin and confirm the price.
3. Smash Buy
Confirm your purchase and the Bitcoin will be credited to your 21bitcoin account.
The price you see is the price you pay
Bitcoin moves 24/7. That’s why we guarantee the Bitcoin price you see for 20 seconds.
Before you make a Smash Buy, you will see:
- Bitcoin price
- Service fee
- Amount of Bitcoin you will receive
No surprises after your purchase.
Deposit euros first – then decide for yourself when to buy
At 21bitcoin, you don't have to link a euro deposit to a bitcoin purchase immediately. You can keep euros in your account first and then decide flexibly how you want to use them.
0% deposit fees
1. Deposit euros
If you want to buy Bitcoin now.
2. Receive funds
Your available euro balance will appear in the 21bitcoin app.
3. Smash Buy
If you want to buy only once your target price is reached.
Three ways to Bitcoin
You don't have to choose just one strategy.
Your euro balance can be used at any time for Smash Buy, Savings Plan, or Limit Order.
Smash Buy | Savings Plan | Limit order | |
|---|---|---|---|
Differences | |||
When? | Now | Regularly | At your target price |
Execution | Immediately | Automatically | At target price |
Ideal for | Direct purchase | Long-term saving | Planned entry |
From | €10 | €10 | From €10 |
Fees | 1.29–1.49% | 0% from day 8 | Planned start |
Combine Smash Buy & Self-Custody
With Auto Wallet Transfer, you can set a BTC balance threshold at which your Bitcoin will be automatically transferred to your own wallet.
If you wish, you can connect your hardware wallet to 21bitcoin via xPub to automate not just your purchases, but your self-custody as well.
FAQ
Smash Buy is 21bitcoin's instant Bitcoin purchase feature. You choose your desired euro amount, see the current purchase price immediately, and can confirm your Bitcoin purchase right away – simple, transparent, and available 24/7.
In the 21bitcoin app, select the amount you would like to spend on Bitcoin. You will then see the current purchase price, the applicable fees, and the amount of Bitcoin you will receive. Once you confirm the Smash Buy within the price guarantee window, the purchased Bitcoin will be credited directly to your 21bitcoin account.
Yes. Smash Buy is the name for the instant Bitcoin purchase feature at 21bitcoin. Unlike a savings plan or a limit order, you decide exactly when you want to buy and execute the purchase immediately at the price currently displayed.
Before every Smash Buy, we transparently show you the current purchase price and how much Bitcoin you will receive for it. The displayed price takes into account the current market situation as well as a small margin to hedge against short-term price fluctuations.
Before you confirm, you know exactly what price you are getting.
The displayed Bitcoin price is guaranteed for 20 seconds. Market fluctuations during this period will not affect your displayed purchase price.
If the price guarantee expires before you confirm the purchase, you will automatically receive a new, updated price.
The service fee for a Smash Buy is currently 1.29% to 1.49%, depending on your 21bitcoin plan.
Before you confirm your purchase, you will see a transparent breakdown of the purchase price, the service fee, and the amount of Bitcoin you will receive. 21bitcoin does not charge any additional deposit fees for Euro deposits via SEPA or SEPA Instant.
A Smash Buy is possible from as little as €10 . You can currently invest up to €100,000 in Bitcoin per purchase.
For larger Bitcoin purchases of €100,000 or more, 21bitcoin offers 21private for personal support and customized terms.
With Smash Buy, you decide for yourself when and how much Bitcoin you want to buy. The purchase is executed immediately.
A savings plan, on the other hand, is ideal for regular, automated Bitcoin purchases. You set the amount and frequency once, and 21bitcoin then handles the purchases for you automatically.
Smash Buy: Buy now.
Savings plan: Buy regularly.
With Smash Buy, you buy Bitcoin instantly at the currently displayed price.
With a limit order, on the other hand, you set a target price in advance. The order then waits for that price to be reached and only triggers a purchase automatically once it is.
Smash Buy: Buy now.
Limit Order: Buy at your target price.
Yes. After your Smash Buy, you can keep your Bitcoin with 21bitcoin or withdraw them to your own Bitcoin wallet at any time.
With Auto Wallet Transfer you can also have your Bitcoin sent automatically to your own wallet as soon as a specific amount you've set is reached. For Bitcoin withdrawals, 21bitcoin currently charges a flat fee of 1,000 sats per transaction.
Investing tailored to your needs & goals
Learn more about why it pays to invest with 21bitcoin:
What our customers say
Buying Bitcoin—as easy and transparent as online banking.
