21-CryptoConsulting
From Military Cybersecurity to Financial Sovereignty


Our commitment
Founded by former senior officials from the French Ministry of Defence, with expertise in special operations and cyberspace, 21-CryptoConsulting combines in-depth knowledge of digital markets with proven experience in traditional finance.
This dual expertise, spanning both institutional and decentralised environments, gives us a comprehensive understanding of the new frontiers of value.
Our culture of action, anticipation and discretion, inherited from the military world, is what sets us apart: a strategic vision of wealth as a territory to invest in, secure and pass on.
Our objective: to help you build wealth that is liquid, ubiquitous and independent of the banking system.




What we do
Discreetly executing acquisitions
Independently ensuring protection
Carefully planning succession
For entrepreneurs
For investors
Our blockchain expertise
Over-the-Counter Brokerage
Your funds, Your Keys,Your Freedom.
Protect, Grow, Pass on


21-CryptoConsulting is a partner of SATOCHIP, a European specialist in secure, sovereign hardware solutions (EAL6+) for cryptocurrency custody.
SATOCHIP’s security products, combined with our proprietary encoding tools, enable our clients to retain full control over their cryptocurrencies through a physical and logical architecture that keeps cold wallets—secure hardware wallets—separate from seeds—cryptographic seeds or mnemonic phrases.
This structure guarantees permanent access and complete independence from any financial institution, while providing the first layer of protection against ransom attacks.
Our Partner
SATOCHIP, Belgian Hardware Wallet Specialist
Book Your “Assessment & Strategy” consultation
(90 minutes)
This 90-minute session is the first step towards tailored support aligned with your profile and specific requirements. It enables us to assess your operational posture and identify your priorities: architecture and asset allocation, procedures, choice of tools and compromise scenarios.
Following the session, you will receive a concrete, prioritised action plan.
Fee: €350, excluding VAT where applicable. The full amount will be deducted from the fee for any larger project subsequently undertaken. Payment is required at the beginning of the session by instant bank transfer.


“Time is capital. Make it grow."



