This review is editorial and independent. Investing in cryptocurrencies carries the risk of total loss — only invest what you can afford to lose.
What 21bitcoin offers
Detailed rating
Comisión no verificada manualmente: se basa en la lista de precios publicada.
- MiCA License (Austria)
- Bitcoin-only philosophy
- Automatic withdrawal to self-custody
- −Only Bitcoin and basic stablecoins
- −No pro trading
About 21bitcoin
Founded in 2022 and headquartered in Salzburg, 21bitcoin has established itself as a strong player in the crypto exchange ecosystem. Under MiCA (Austria, FMA) regulation, the platform offers more than 3 cryptocurrencies and more than 5 trading pairs.
Its offering stands out for a balanced combination of fees, liquidity and user experience — something especially valued by users looking for a reliable platform to trade Bitcoin and altcoins.
In-depth analysis
21bitcoin, operado por FIOR Digital GmbH y fundado en Austria en 2022, se posiciona como un exchange con un claro enfoque. Su licencia MiCA, otorgada por la FMA austriaca, le confiere un marco regulatorio sólido, lo que puede ser un factor determinante para usuarios que priorizan la seguridad y la transparencia. La plataforma está diseñada principalmente para inversores interesados exclusivamente en Bitcoin, ofreciendo una experiencia simplificada sin la complejidad de un amplio mercado de altcoins. Esto lo hace adecuado para principiantes que buscan iniciarse en Bitcoin o para inversores a largo plazo que valoran la custodia propia.
En cuanto a los costes, 21bitcoin presenta una estructura de tarifas del 0% para las inversiones automatizadas (DCA), mientras que las transacciones instantáneas tienen una comisión entre 1,29% y 1,49%. La experiencia de usuario está orientada a la simplicidad, con una interfaz que facilita la adquisición y el ahorro en Bitcoin. Un aspecto distintivo es su énfasis en la autocustodia, con la opción de retirada automática a wallets personales, lo que refuerza la filosofía Bitcoin-only. Sin embargo, su principal limitación es la escasez de criptomonedas, ofreciendo únicamente Bitcoin y algunas stablecoins básicas, lo cual no es adecuado para usuarios que busquen diversificación o herramientas de trading avanzadas.
Deposits, withdrawals and fees
21bitcoin accepts crypto deposits on major networks (Bitcoin, Ethereum, BSC, Solana, Tron and more) and also allows fiat deposits via SEPA, card and other methods depending on country. Standard spot fees are 0% / 1,29%–1,49%, with additional discounts based on volume or use of the exchange's native token.
Crypto withdrawals are processed in minutes once the account is verified. For larger amounts, a standard manual review for the sector may apply.
Security and regulation
Operates under MiCA (Austria, FMA) regulation, with two-factor authentication (2FA), withdrawal whitelisting, majority cold storage and periodically audited proof of reserves.
Mobile experience and support
There's a mobile app for iOS and Android, plus an optimized website. Support responds via 24/7 live chat and offers a complete help center.
How to open an account at 21bitcoin
We explain step by step how to create your account at 21bitcoin safely, from registration to your first deposit. The entire process usually takes less than 5 minutes.
- 1
Go to the official website
Visit the official 21bitcoin website via the button at the end of this guide. Always check the URL to avoid phishing pages.
- 2
Click "Register" and enter your email
The sign-up button is in the top-right corner. Enter an email address you have permanent access to — you'll need it to verify the account and recover access.
- 3
Create a strong password
Choose a password of at least 12 characters combining uppercase, lowercase, numbers and symbols. Don't reuse passwords from other platforms; a password manager is highly recommended.
- 4
Verify your account and enable 2FA
Confirm your email, complete KYC (ID and proof of address if requested) and enable two-factor authentication (2FA) with Google Authenticator. It's the most important step to protect your funds.
- 5
Deposit and start trading
Make your first deposit in crypto (or fiat via SEPA, if available) and start trading on 21bitcoin.
Our verdict
21bitcoin receives an editorial score of 3.5/5. It is an interesting option with room for improvement. Recommended for users who value its differentiating proposition versus larger brands.
Other recommended exchanges
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Crypto.com combines an exchange, retail app, Visa card, and NFTs into a complete ecosystem, with a MiCA license issued in Malta and significant investments in marketing and sports sponsorships.
Bybit EU GmbH obtained a MiCA license in Austria in May 2025, allowing passporting to 29 EEA countries. It offers most of Bybit's catalog and functionalities adapted to the European regulatory framework.