SEEDPLATE® Bitcoin seed backup
Write your Bitcoin seed words on steel, not paper.
SEEDPLATE is a 2mm steel backup plate for Bitcoin seed phrases. Mark the recovery words on metal, store the plate separately from the wallet, and keep a backup that is less fragile than paper. Choose SEEDPLATE 24 Words for full 24-word seeds or Tiny 12 for 12-word backups.
Which SEEDPLATE should I use?
| Model | Best for | Details |
|---|---|---|
| SEEDPLATE 24 Words | Full 24-word Bitcoin wallet seed phrases. | Single plate, 12 words per side, 2mm steel, made in Canada. |
| SEEDPLATE Tiny 12 | 12-word seed phrases and small storage spaces. | Single plate, 6 words per side, about 48 x 54 x 2mm. |
| Automatic punch | Marking either plate without a separate tool hunt. | Optional punch available from the Coinkite store. |
SEEDPLATE® 24 Words
Buy SEEDPLATE 24 Words
- Single plate design, 12 words per side (24 words total).
- Quality steel cut and etched in Canada 🇨🇦.
- Etch marks chemically colored in black for better legibility.
- Small enough for discreet physical storage.
- Tough 2mm thick steel.
- Optional automatic punch available here.
- Third-party destruction test results.
One plate stores the full 24-word backup, so you do not need two plates for one wallet seed.
SEEDPLATE® Tiny 12
Buy SEEDPLATE Tiny 12
- Compact single plate design, 6 words per side (12 words total).
- Quality steel cut and etched in Canada 🇨🇦.
- Etch marks chemically colored in black for better legibility.
- Compact size: approximately 48 x 54 x 2mm (about 2 inches square).
- Tough 2mm thick steel.
- Optional automatic punch available here.
- Third-party destruction test results.
Use Tiny 12 when you need a compact plate for a 12-word seed phrase.
SEEDPLATE FAQ
What is SEEDPLATE?
SEEDPLATE is a steel plate for backing up a Bitcoin wallet seed phrase. You mark the recovery words on metal so the backup is less fragile than paper.
What is the difference between SEEDPLATE 24 Words and Tiny 12?
SEEDPLATE 24 Words stores 24 recovery words with 12 words per side. SEEDPLATE Tiny 12 is the smaller option for 12-word backups, with 6 words per side.
Who makes SEEDPLATE?
SEEDPLATE is made by Coinkite, the Canadian Bitcoin hardware company behind COLDCARD, OPENDIME, SATSCARD, TAPSIGNER, and other self-custody tools.
Why use a metal seed backup?
A metal seed backup is less fragile than paper. Steel helps protect recovery words from water, tearing, fading, and everyday storage damage.
