Hidden in plain sight
The safe no one will ever see.
01 / 06
Security
Mechanical rotary-disc lock
304 stainless steel rotary disc. 16 million combinations.
No electronics. No battery. No dependency.
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Armour
8 mm of solid 304 stainless steel
An 8 mm stainless steel plate integrated into the cap.
20 mm total thickness.
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Structure
The body absorbs impacts
A single-piece body in carbon PPA. A technical polymer of aerospace origin that bends without breaking.
Lighter than a metal safe. Non-metallic body.
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Capacity
120 mm of usable length
Inner volume of the one-piece PPA-CF body. Inner diameter 55 mm (Ø65) or 70 mm (Ø80).
Compatible with Ledger, Trezor, and metal seed plates.
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Material
Carbon PPA — technical polymer of aerospace origin
- Strength220 MPa tensile strength, comparable to structural aluminums
- Heat resistancestable up to 230 °C in continuous use
- Density1.3 g/cm³, six times lighter than steel
- Discretiongood resistance to UV and solvents, anti-mark finish
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Anchoring
Once installed, it stays put.
An internal screw, reachable only with the cap open. The plate expands against the wall of the hole and locks everything in place. Once sealed, it cannot be extracted from the outside.
Conceal it behind a frame, a piece of furniture, a wall covering. Invisible.
Sovereignty
Your keys. Your valuables. Your safe.
Physical ownership, all the way.
You've invested in a hardware wallet and engraved your seed phrases.
Your keys, your metal seed plates, your small valuables.
One question remains: where to keep them safe?
Safe deposit box
NEXOVAULT
At home. Anytime. Yours alone.
— No third party. No bank. You alone.
View hardware wallet compatibility →The safe
One safe. Two sizes.
NEXOVAULT
Ref. NXV-65
€299 incl. VAT
Capacity
Ø55 mm × 120 mm usable
Recommended uses
A compact hardware wallet and its seed phrase.
- —Ledger Nano S Plus, Nano X · Trezor Safe 5 · Coldcard Mk4
- —Bar or capsule seed plates
- —Gold coins, compact jewellery
Composition
- —One-piece PPA-CF body, 5 mm
- —8 mm 304 stainless steel face built into the cover
- —M3-LOCK key lock, 16 million combinations
- —Mechanical expansion anchoring
Compatible with your hardware? Check →
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Limited production. First come, first served. No spam — just the launch announcement.
Installation
3 minutes. For life.
Drill
A Ø65 or Ø80 hole in a solid wall. Diamond core drill bit or concrete hole saw recommended.
Insert
Slide the safe into the hole until it seats. 30 seconds.
Seal
An internal screw expands the steel plate against the wall. Cannot be extracted from the outside. Uninstallation possible by the owner via the internal screw. Invisible.
Installation kit available as an option (+€39) — diamond core drill bit and accessories.
FAQ
Everything you want to know.
NEXOVAULT
Beyond cold storage
Designed, engineered, and 3D-printed in France

