On Breaking SHA256 FUD, Attack Surfaces of Computers, Bitcoin Binary Watch Bot, Quantum Computing & Multisig Grifters Attacks
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By Tristan Borges Solari (guest author)
Multisig, Shamir Secret Sharing, Quorum Choices, Assisted Custody and How to Apply Diversity from a Security Mindset
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Protect Your Bitcoin from User Error: Expert Insights on Demystifying Passphrases and Avoiding Common Mistakes
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December 2022

A Brief on Private Keys & Wallets Before we dive into the subject, let’s go over a brief primer on Bitcoin private key standards and how they have…

November 2022

For the next 72 hours only

July 2022

TAPSIGNER, BLOCKCLOCK Micro, SATSCHIPS, HARDCASE & Bitcoin.Review Podcast
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May 2022

MK4 reservations, NFC integration, P2TR support, gift cards, new European reseller & new team member
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January 2022

Our affordable contactless [NFC] Bitcoin smart-card initiative.
Excited to announce the Early Bird reservation of COLDCARD Mk4, get $40 off as many units as you’d like. Some of the improvements include: USB-C…

December 2021

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This is Coinkite’s Substack, a newsletter about BITCOIN SECURITY HARDWARE DON'T TRUST. VERIFY..