Buy & hold Bitcoin securely
At 21bitcoin, security isn't just a single feature. It is built into every level – from MiCAR regulation and your euro deposits to professional Bitcoin custody and self-custody.
Investments involve risks.
Security starts with transparency
🇪🇺 MiCAR-regulated
Crypto Asset Service Provider authorized by the Austrian FMA.
🔐 Regulated custody
Insured Bitcoin custody via BitGo Europe GmbH, regulated by the German BaFin.
🔑 Self-custody at any time
Integrate your hardware wallet & transfer your Bitcoin whenever you wish.
Protection at every level
21bitcoin combines regulated financial infrastructure, professional Bitcoin custody, and individual security features into multiple independent layers of protection.
Ongoing supervision
21bitcoin is supervised as a Crypto Asset Service Provider under MiCAR by the Austrian Financial Market Authority (FMA).
Not offshore. Not unregulated. European financial supervision.
Professional custody
For professional custody, we partner with BitGo Europe GmbH – also a MiCAR-regulated Crypto Asset Service Provider, supervised by the German BaFin.
German banking infrastructure for your euros
For your euro deposits, you will receive a personal virtual IBAN from Volksbank Raiffeisenbank Bayern Mitte eG.
Backed by a bank
A German cooperative bank does not invest lightly. VR Bank Bayern Mitte has vetted 21bitcoin – and invested in it.
Deposits
Your funds are not held abroad, but at a renowned German bank.
We protect your Bitcoin. And your account.
Protecting your Bitcoin
Segregated customer assets
Customer Bitcoin is kept separate from 21bitcoin's own Bitcoin holdings.
Professional key infrastructure
Cold storage infrastructure via BitGo Europe reduces the constant online exposure of private keys.
No proprietary trading
Custodied customer Bitcoin is not used for our own trading or financing activities.
Up to $250M insurance*
Additional insurance coverage within the BitGo custody infrastructure.
*Insurance coverage and scope of protection in accordance with the applicable insurance terms and conditions.
Protecting your account
Two-Factor Authentication
An additional layer of security protects sensitive actions and your account.
Verified Wallets
Personal wallets can be connected to 21bitcoin through defined verification processes.
Controlled Withdrawals
Bitcoin withdrawals are processed via defined technical and regulatory procedures.
Security Research & Bug Bounty
Independent security researchers can responsibly report potential vulnerabilities through the 21bitcoin bug bounty program.
Your Bitcoin – your decision
There is no single custody model that is right for every person and every amount.
That’s why 21bitcoin gives you the choice: professional custody and/or self-custody.
FAQ
Yes! 21bitcoin (FIOR Digital GmbH) is licensed and audited as a crypto asset service provider under MiCAR by the Austrian Financial Market Authority (FMA).
Absolutely! We even make it as easy as possible for you. The choice is yours: secure custody with us or full control via your own wallet – transferable at any time, with no restrictions.
21bitcoin is designed with multi-layered security:
- 🏛️ Regulated & licensed: 21bitcoin is operated by FIOR Digital GmbH and is authorized as a Crypto Asset Service Provider under MiCAR by the Austrian Financial Market Authority (FMA). We are headquartered and regulated within the EU—no offshore structures.
- 🔒 Professional custody: Your Bitcoin are held using a combination of hot, warm, and cold wallets. For the technical custody of cold wallet keys, 21bitcoin partners with BitGo Europe as a MiCAR-regulated sub-custodian. Customer Bitcoin are clearly assigned to each individual customer, strictly segregated from 21bitcoin’s own holdings, and never used for our own purposes. The BitGo custody infrastructure is covered by insurance of up to $250 million, subject to the respective insurance terms.
- 🏦 Your Euros at a real bank: For your Euro deposits, you receive your own virtual IBAN at VR Bank Bayern Mitte, a regulated German cooperative bank. This ensures your Euro infrastructure is handled by an established bank in Germany.
Additionally, you can transfer your Bitcoin to your own wallet at any time and take full control of your private keys. And because 21bitcoin exclusively offers Bitcoin, you are not exposed to the additional risks associated with altcoins or speculative tokens.
Your Bitcoin are held using a combination of hot, warm, and primarily cold wallets. Cold wallet custody is provided by BitGo Europe; your Bitcoin remain your economic property, are kept strictly separate from 21bitcoin’s own assets, and are never used for our own purposes—all backed by insurance coverage of up to 250 million USD, subject to the terms of the policy.
