Bitcoin Backup Upgrade
Will a plastic USB wallet - backed by paper - be enough?
Protect your recovery seeds in Stainless Steel.
Extreme Protection
FIRE TEST = A
ACID TEST = A
CRUSH TEST = A
Jameson Lopp tested Key Stack by blasting it with a 2500°F butane torch, soaking it in an acid bath and tormenting it under a 20-Ton press. Key Stack was the first user controlled device to pass all tests with straight A's.
100% Private Engraving
Handheld electric engraver included
Your Eyes Only
Complete User Control
Buy NowScaleable
Up to 10 plates per stack
Store one 24 word recovery seed per plate
Build over time with Expansion Packs
Buy Now
Build Your Own
Key Stack
$ 44.99
Kits include: stainless steel plates, electric engraver, nuts/bolts and a set of tamper evident security seal stickers.
Featured Combo Pack
2 of 3 Multisig Kit
$ 115.00 $ 135.00
Store your multisig keys securely in three separate locations with Key Stack combo packs!
Kit Includes:
THREE - 24 Word seed plates (100% stainless steel)
THREE - Front and Back Cover Plate sets (100% stainless steel)
THREE - Nut & Bolt Sets (100% stainless steel)
ONE - Diamond Tipped Electric Engraver
Add On Items
Expansion Plate
$ 14.99
The expansion plate add-on allows you to store an additional 24-word passphrase in your Key Stack. Perfect for backing up Nano Ledger S, Trezor, ColdCard and KeepKey recovery...
View full product details
Expansion Plate 3-Pack
$ 34.99
Store three additional 24-word passphrases in your Key Stack with the Expansion Plate Pack. Less than $15 per metal seed backup!
View full product details
Engraver & Hardware Combo
$ 9.99
This set includes our handheld electric diamond-tipped engraver and extra set of stainless steel hardware.
View full product details
Blank Plate
$ 14.99
Add a blank plate to your Key Stack. Great for backing up 2FA codes & password manager keys.
View full product details