Cryptosteel Capsule – The Mother of All Backups?

The Cryptosteel Capsule is the metal backup tool for offline storage of crypto seed words. The solid metal capsule is designed to survive extreme conditions and is compatible with most secret sharing and key generation algorithms. It’s also a bitch to setup and read.

Product specifications

  • Capsule dimensions: length 102mm, diameter 16mm
  • 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).

100% coverage for:

  • BIP39 (unabbreviated 12-word recovery seeds or 4-letter abbreviations of 24-word recovery seeds)
  • Shamir Backup SLIP39 (4-letter abbreviations of 20-word recovery seeds)
  • BIP32 root keys
  • WIF private keys
  • Monero mnemonic seeds (4-letter abbreviations of 25-word recovery seeds)

More than 99% coverage for:

  • Hexadecimal strings up to 123 characters
  • Random ASCII strings up to 55 characters

Source: jhonchow

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