Cryptosteel Cassette Solo - Private Key Back Up Device

The Cryptosteel Cassette is the original metal wallet that pioneered the market for offline, indestructible seed storage.

Crafted from stainless steel, this compact, pocket-sized device is built to securely store your confidential alphanumeric data—no tools, electronics, or third parties required.

Each Cassette comes with a kit of engraved stainless steel tiles, allowing you to manually assemble up to 96 characters of passwords, recovery seeds, or private keys. Once locked in, your data is stored with offline permanence—immune to fire, water, corrosion, electric shock, and physical impact.

Designed for ultimate durability and security, the Cryptosteel Cassette gives you peace of mind, no matter what.