Apr 21, 2025
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2 min read
New COLDCARD Release: Many BIG features & Fixes!
Black Friday
+1
Nov 22, 2023
1 min read
Up to 25% OFF
Developer Preview
May 12, 2023
If you are not a developer, you can ignore Edge version completely.
Feb 27, 2023
MicroSD as 2FA, Import TAPSIGNER as main/ephemeral seed, Detached sig for exports, App-specific deriv paths, Import/Export overhaul, incl Samourai POST/PRE-MIX, Opt to save pw 4 next backup & more
Feb 9, 2023
Uncompromising Security & Convenience: Full QWERTY Keyboard, Dedicated Function Keys, and Unbeatable MicroSD Power
Jan 20, 2023
12 min read
On Breaking SHA256 FUD, Attack Surfaces of Computers, Bitcoin Binary Watch Bot, Quantum Computing & Multisig Grifters Attacks
Jan 16, 2023
14 min read
By Tristan Borges Solari (guest author)
Jan 13, 2023
11 min read
Multisig, Shamir Secret Sharing, Quorum Choices, Assisted Custody and How to Apply Diversity from a Security Mindset
Jan 6, 2023
18 min read
Protect Your Bitcoin from User Error: Expert Insights on Demystifying Passphrases and Avoiding Common Mistakes
![Announcing: Edge Firmware [developer preview] for CC Mk4](https://media.beehiiv.com/cdn-cgi/image/format=auto,width=720,fit=scale-down,onerror=redirect/uploads/asset/file/babd13f6-5cb7-4d9a-97d9-c26ccfa75519/f8943ab3-1d40-432d-825e-175d67271d79_926x1396.png?t=1783531934)
