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Hashrate and difficulty: how to read the bitcoin network's pulse
Hashrate is the total computing power guarding bitcoin; difficulty is the automatic regulator keeping blocks at the ~10-minute mark. Together they are the network's pulse.
The retarget mechanics
Every 2016 blocks (~2 weeks) the protocol compares actual block times with the target. More miners arrived and blocks are flying - difficulty rises; capacity left - it falls. This makes bitcoin antifragile: the network automatically rebalances any capacity outcome, from mining bans to energy crises.
What the metrics signal
- Rising hashrate - miners are investing in hardware and electricity: the professionals' long-term bet on the price. Historically hashrate follows price with a lag, but its steady growth through drawdowns signals industry confidence.
- Sharp hashrate drops - events: bans, power outages, miner bankruptcies. The network has digested even a halving of capacity (China's 2021 ban) without stopping.
- A series of difficulty declines - miner capitulation: the weak switch off. Paradoxically, it has historically coincided with price bottom zones.
The metrics are public and cannot be painted: hashrate cannot be faked - megawatts stand behind it. Mining events are flagged in the section.