JPMorgan stated that Bitcoin network hash rate dropped for the second consecutive month in December 2025, down approximately 3% month-on-month to 1045 EH/s. Miner competition has eased, but mining profitability continues to decline. Data shows that miners' daily average block reward income per EH/s fell 7% month-on-month and 32% year-on-year, hitting a record low, mainly due to Bitcoin price pullbacks, halving effects, and rising energy costs. (CoinDesk) https://www.(wublock123.com)/index.php?m=content&c=index&a=show&catid=6&id=54600