Blog
Thoughts and commentary on Bitcoin.
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Coldcard and the limits of “don't trust, verify”
Published: August 3, 2026A technical blunder left five years of Coldcard seeds guessable. On who's to blame, why I don't buy blaming AI, and what it means for self-custody.
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What if the FCA's knowledge test applied equally to fiat banking?
Published: June 22, 2026Before you can buy Bitcoin in the UK, the FCA makes you pass a knowledge test on its dangers. So what would that test look like if the same standard were applied to opening an ordinary bank account? Take the quiz.
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The FCA has decided that explaining UTXOs is a financial promotion
Published: April 1, 2026UK financial promotions rules mean British users are blocked from accessing hardware wallet documentation - including articles on UTXOs, public keys, and self-custody.
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How to hold Bitcoin tax-free in a Stocks & Shares ISA
Published: November 1, 2025If you are (a) a UK citizen, (b) a stocks & shares ISA holder, and (c) curious about holding Bitcoin in a tax-efficient manner, this page is for you.