Cryptocurrency Mining Insights: Guides, Hardware and Running Costs

Two pieces here are worth reading before the rest: the ASIC miner buying guide, which works out the electricity price above which a given machine cannot pay for itself, and the S21 Pro versus SealMiner A2 Pro Air head-to-head, which is a worked example of the same arithmetic on two machines we actually stock. Everything else below hangs off those two. If you would rather look at hardware than read, the used ASIC miners and new ASIC miners categories are the two ends of the catalogue.

The gold-plated multi-stage cryostat of a dilution refrigerator in a quantum computing laboratory, opened for maintenance.

Quantum Computing and Bitcoin: What It Threatens, and Why It Is Not Your Miner

Quantum computing is a threat to Bitcoin’s signatures. It is not a threat to Bitcoin mining. Those are two different...

An empty office desk at dusk, chair pushed back, scattered paperwork and a cold mug of coffee.

The Paradox of Control: Why Letting Go Can Propel Your Organization Forward

A note on what this is: an essay about running an organisation, not a mining guide. It sits on this...

A used Bitmain Antminer S19k Pro 120TH Bitcoin miner and a Bitmain BM1368AA mining ASIC chip.

How Cryptocurrency Mining Works: A Beginner’s Guide

Bitcoin mining is a race to guess a number. That is the whole mechanism. Everything else — the warehouses, the...

A Bitmain Antminer E9 hashboard test fixture main board with its leads, SD card and mains adapter, beside a genuine Avalon 1166 Pro control board with its ribbon headers and Ethernet port.

How to Choose a Mining Pool for a Bitcoin ASIC

For a Bitcoin ASIC miner, the pool decision comes down to one thing most guides skip: whether the pool pays...

An IceRiver KS7 Lite Kaspa miner, an Antminer PSU power cable and a Loki 240V-to-110V converter kit for Antminer S19 and S21.

What You Need to Start Mining Bitcoin: The Shopping List

You need four things to mine Bitcoin: a machine, a circuit big enough to feed it, somewhere the noise will...

A long row of miners racked and running and an Antminer S19-series miner set up and running in a room.

Bitcoin and Blockchain for Hardware Buyers: What a Block Really Is

A Bitcoin block is a list of transactions plus an 80-byte header, and your miner only ever touches the header....

Miners staged on shipping crates in a warehouse and a Bitmain Antminer S19 standing on a concrete floor.

Cloud Mining vs Buying Your Own Miner: An Honest Comparison

Cloud mining sells you the output of a machine without the machine. That is the whole appeal — no noise,...

A hardware crypto wallet and a blank metal backup card on a worn wooden desk beside keys and a coffee cup.

Mining Hardware vs DeFi Yield: Where the Return Comes From

Both of these turn capital into a yield, and they are not the same kind of yield. A miner earns...

A refurbished Bitmain Antminer S19-series ASIC miner lying on a grey wood-effect floor, its control panel and Ethernet port facing the camera and its black power lead coiled alongside it.

What Actually Moves Mining Margin: Five Levers, With the Arithmetic

Mining margin has exactly five levers, and they are not equally powerful. Your electricity rate does more than the other...

A used ASIC hashboard lying on a wooden desk, its aluminium heatsink block corroded and flux-stained at one corner, with test figures written on the green board edge in marker.

Why Your Miner Is Earning Less: Diagnosing ASIC Faults

Miners fail in a small number of predictable ways, and the machine almost never tells you plainly that something is...

An empty office desk at dusk with a switched-off monitor, a notebook and a cold cup of coffee.

Why We Don’t Publish Crypto Price Predictions

We do not publish cryptocurrency price predictions, and this page used to. It carried a table of price targets for...

A Bitaxe NerdQaxe++ solo Bitcoin miner and a Bitmain BM1368AA mining ASIC chip.

What Is Bitcoin? And What Mining Actually Does

Bitcoin is a ledger that nobody owns, kept honest by machines competing to guess numbers. That sentence contains everything that...

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