Cryptosteel Capsule is the premier backup tool for autonomous offline storage of valuable data without any third-party involvement. The solid metal device, designed to survive extreme conditions, works under nearly all circumstances. It is compatible with most secret sharing and key generation algorithms.

Cryptosteel Capsule Quintet


The Quintet allows for greater secret splitting techniques and flexibility.

Your data security is given the incredible autonomy to achieve offline permanency.

The Capsule can store important information in up to 123 characters. Autonomous. Personal. Anonymous. Tangible.

You can store 24 abbreviated words of your seed phrase in the Capsule.

Product specifications

  • Capsule container dimensions: length 102 mm, diameter 16 mm
  • Solid metal construction – 100% stainless steel
  • Shell made of AISI 303
  • Core, separators, fasteners and character tiles made of AISI 304
  • Packaging includes all printable ASCII characters (96 different characters)

Package specifications

  • Weight: 1975 g / 4.4 lb
  • Dimensions: 255 x 185 x 75 mm
  • Contents:
    • 5 x Cryptosteel Capsule container
    • 1 x Randomized 3600+ tile set
  • It is a combination of two Capsule Duo sets and one Capsule Solo set