BTC Prague · June 11–13, 2026
Most people pocket the card. You scanned it.
What is CitadelVault
CitadelVault is a purpose-built, air-gapped computer that guides anyone through securing their Bitcoin inheritance in 45 minutes — no advisor, no cloud, no subscription required. It runs the 21sats Inheritance Protocol: a battle-tested system refined through years of real-world client engagements across dozens of jurisdictions. One device. One setup. Generational protection, by design.
Never touches the internet — by design
The 21sats Wizard guides every step
M-Disc archival rated to outlast generations
Court-ready legal documents, built in
Dead man's switch on the blockchain — patent pending
The Pre-Sale
CitadelVault is available for pre-order now at citadelvault.org. Early Bird units are limited to 21 — serialized and shipped before all standard backers. Once they're gone, the price goes up. The original 21 are numbered.
Pre-Order Now →Tiers start at $50 · Hardware units from $2,395
Prague · June 12
We've rented a private apartment in the heart of Prague for one evening during the conference — early enough that you can still make it to whatever comes next. Small gathering — not a party, not a booth, not a pitch night. If you're the kind of person who belongs in a room like this, you already know it.
Private Gathering
Friday · June 12 · Early Evening
If you've pre-ordered a CitadelVault, your invitation is already waiting — just confirm your attendance below. If you met us on the conference floor and want to continue the conversation in a better setting, request a spot. The address is shared in your confirmation only.
Request Your Invitation
The address and arrival time are shared in your confirmation only.
No walk-ins. No exceptions. We review every request personally.