After the difficulty of mining decreased, the income of Bitcoin miners increased by more than 50% in 4 days. On July 2, the day before the difficulty adjustment, Bitcoin miners’ daily mining revenue was approximately US$20.7 million. One day later, the data reached 29.3 million U.S. dollars, and this Tuesday it reached 31.9 million U.S. dollars, an increase of 54% from 4 days ago.