What is an ASIC miner?
An ASIC miner is a computer built around chips that do one thing: compute SHA-256 hashes for Bitcoin mining. ASIC stands for application-specific integrated circuit.
How it works
A machine holds hundreds of these chips on hashboards, a control board, a power supply and cooling. Because the chips do nothing else, they are many thousands of times more efficient at mining than a graphics card or a processor.
Why it matters
Bitcoin can only be mined competitively with ASICs. A machine is judged by its hashrate, its efficiency in joules per terahash and its price.
Live figures: ASIC miners compared.
Related terms
All terms: the Bitcoin mining glossary.
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March 22–24, 2027 · Irving Convention Center · Dallas
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