Bitcoin mining is more difficult than ever | Protos
Bitcoin’s mining difficulty is at all-time highs – and with it, the difficulty of turning a profit. Revenues from the computer rigs that secure the world’s most valuable blockchain are at 12-month lows. Miners’ use of electricity – including its financial cost and environmental impact – is at an all-time high. Worse, this top expense of mining companies is accelerating. Since the beginning of 2023, Bitcoin’s hashrate increased 91% from 256 exahashes per second to a record 746 exahashes per second this month. A smoothed trend line of hashrate, which varies considerably day-to-day, trends up-and-to-the-right along a rarely interrupted vector. Read more: Tether-owned Northern Data accused of fraud by former execs Earlier this year, the hard-coded reward for solving Bitcoin’s computational puzzle halved from 6.25 to 3.125 BTC per block of transactions. That instantly reduced miners’ revenue – which is at a 12-month low. Making matters worse, Bitcoin’s difficulty adjustment adjusts ...