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ASIC
A machine built only for mining (e.g. Antminer S19 Pro). It serves no other purpose — it is optimized to compute SHA-256 hashes.
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Hashrate
The machine's computing capacity. The more hashrate, the greater the technical participation in the attempt to validate blocks.
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TH/s
Terahashes per second — the unit of hashrate. An S19 Pro delivers about 110 TH/s.
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Pool
A group of miners who pool their hashrate and share the results. It reduces the variance of mining alone.
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Worker
Each machine (or identity) connected to the pool. It allows tracking individual output on the dashboard.
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Difficulty
The network self-adjusts: the more global hashrate, the harder it is to mine. This changes output roughly every 2 weeks.
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Uptime
The time the machine is actually operating. Energy, maintenance and internet affect uptime — and output.
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Halving
Roughly every ~4 years, the block reward is cut in half. It is the mechanism that makes BTC progressively scarce.
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Variable output
The result is never fixed: it depends on BTC price, difficulty, pool, uptime, energy and maintenance.