Archive
Chain deep dives, mining hardware reviews, listed-company profiles and UK tax guides, grouped by the week they were published. Figures in each article were verified on its publication date; the tax guides are rechecked against GOV.UK every week.
Measured against two public nodes over 25 minutes: 164.98 ledger versions a second, 111.9 of them user transactions, 93.7 per cent sent to the Decibel perpetuals exchange. The chain’s own archive shows a halt of five hours in October 2023.
Chain deep dive · 21 Sep 2026270 terahashes for 3,645 watts, derived from live bitcoin network data rather than a calculator. It loses £15.28 a day at the October Ofgem cap, and no Agile half-hour today came within three times of break-even.
Hardware review · 21 Sep 2026All $24.8m of second-quarter revenue was bitcoin mining, at $36,746 a coin in cash and $92,553 fully loaded. Three leases are signed with Fluidstack and AWS; Google’s warrants tip into a top-up below $17.99 a share.
TradFi deep dive · 21 Sep 2026Measured directly against public nodes, not read off a dashboard: 2.2199 transactions per second over 24 hours, 93.8 per cent of them validator oracle votes. DeFi value locked is down 94.3 per cent in a year.
Chain deep dive · 14 Sep 2026Eight terahashes for 3,200 watts, derived from live Kaspa network data rather than a calculator. It loses £18.90 a day at the Ofgem cap, and Kaspa cuts emission another 5.6 per cent on 5 October.
Hardware review · 14 Sep 2026Fully-loaded cost is 134 per cent of revenue, though the mining is profitable on energy alone. Three quarters of the $996.9m nine-month loss is bitcoin marks, not operations.
TradFi deep dive · 14 Sep 2026Repurchase within 30 days of a disposal and the sale is matched to that purchase, not to your section 104 pool. Worked both ways: a £28,000 loss deferred, and a gain raised by £3,000.
Tax mechanic · 14 Sep 2026Never registering for Self Assessment turns a four-year problem into a twenty-year one. On £10,000 of 2022/23 tax, interest is £2,036.99 and waiting for a nudge letter costs another £1,000.
Situation · 14 Sep 2026HMRC lists seven items at CRYPTO10400 and asks you to keep them 22 months. It can assess up to 20 years later. Lose a 2017 receipt and one disposal costs £4,160 more.
Rules and reporting · 14 Sep 2026The record was set off-chain with a test token and sponsored gas. Layer-one fees have fallen 89 per cent in a year.
Chain deep dive · 7 Sep 2026Break-even is 4.19p per kWh against a UK median of 29.78p. Even the cheapest half-hour today still loses money.
Hardware review · 7 Sep 2026It spent $90,631 to mine a bitcoin it booked at $71,667. The AI leases are real; the first payment is fifteen months away.
TradFi deep dive · 7 Sep 2026Buy and sell a token on the same day and HMRC matches them against each other, not against your pool. Get it wrong and the error compounds into every future disposal.
Tax mechanic · 7 Sep 2026Mining receipts are income on the day they land, and that same value is the cost you deduct when you sell. Ignore the first step and you overstate the gain.
Situation · 7 Sep 2026Applications open on 30 September and the regime commences 25 October 2027. Authorisation brings the Consumer Duty and the Ombudsman, and no compensation scheme.
Rules and reporting · 7 Sep 2026HMRC will not let you pick which coin you sold. Every unit sits in one pool, at one averaged cost, and the arithmetic is not what most people expect.
Tax mechanic · 31 Aug 2026Roughly 81,000 nudge letters went out in 2025/26. What the letter actually means, what it does not mean, and what the delay costs you.
Situation · 31 Aug 2026Collection started 1 January 2026 and the first reports land in May 2027. The figure your exchange sends is gross disposals, not your gain.
Rules and reporting · 31 Aug 2026See also: UK crypto tax · UK mining profitability calculator