"The root problem with conventional currency is all the trust that's required to make it work." — Satoshi Nakamoto
Welcome. Here on bennet.org I build interactive Bitcoin tools and write comprehensive guides — everything I wish I'd known before I started taking it seriously.
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Recent blog posts
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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.
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The 8 best Bitcoin books to read in 2025
Published: August 27, 2025Discover the 8 best Bitcoin books to read in 2025 - from beginner primers to deep dives into history, economics, and Bitcoin’s global impact.
Popular tools
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Bitcoin Rainbow chart
A long-term, log-scale view of Bitcoin’s price history.
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Bitcoin DCA calculator
Compare a Bitcoin DCA plan vs lump sum timing.
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Gold vs Bitcoin chart
Compare Bitcoin and gold using ratio and indexed performance views.
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Bitcoin solo mining calculator
Estimate your odds of mining a Bitcoin block with your hashrate.