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Unmatched Durability

CoolKey’s 304 stainless steel is fireproof (up to 1450°C), waterproof, and rust-resistant, providing robust protection for your crypto in a durable design.

Enhanced Compatibility

CoolKey elevates security with a 5-letter encoding, perfectly compatible with all BIP39 wallets for versatile private key storage of words and numbers.

User-Friendly Design

CoolKey streamlines setup with no spring locks and smooth edges to prevent scrapes. It includes 2 metal sheets and a screwdriver, ensuring an easy, secure assembly.

Product Upgrades: From Billfodl to CoolKey

Optimized Performance and Durability with User-Friendly Design.

CoolWallet Logo Added

Symbolizes reliability and community, linking you to secure, stylish crypto management.

Fine Edging

Prevents hand scraping, ensuring safer handling.

Equipped with a Screwdriver

Provides all necessary tools for immediate, hassle-free setup right out of the box.

Spring Lock Removed

Simplifies setup and improves safety by eliminating hand scraping risks.

Secret Key Backup Comparison

CoolKey

Quick Setup

Reusability

Hand Scraping Prevention

Waterproof

Fireproof

Anti-corrosion

BillFodl

Quick Setup

Reusability

Waterproof

Fireproof

Anti-corrosion

Paper

Quick Setup

Product details

Box Content

Laser Cut Stainless Steel Chassis;
Stainless Steel Laser Engraved Tiles

Technical Specifications
Dimension

124.0(L) х 60.0(H) х 6.0(T) mm (4.9 х 2.4 х 0.2 in)

Weight

Net weight: 0.26kg / Gross weight: 0.57kg

Box Size

161.8(L) x 122.5(H) x 29.6(T) mm (6.3 x 4.8 x 1.2 in)

Materials

304 Stainless Steel

Recovery Phrase Support

24 words
(double-sided, 12 words per side)

Protect Your Recovery Phrase