Bitcoin Production in September Softens Amid Rising Difficulty — MARA Maintains Lead

Competition in the Bitcoin mining sector intensified in September 2025 as mining difficulty reached new all-time highs, while production across most major miners declined. Large-scale companies with strong balance sheets and accumulation strategies continued to thrive in this environment, whereas smaller miners faced growing pressure from operational costs and technical volatility. Bitcoin Production Declines as Difficulty Rises According to publicly released reports compiled by BeInCrypto, Cango mined around 616 BTC in September, down from 663 BTC in August. CleanSpark produced 629 BTC, a slight dip from the previous month source: https://beincrypto.com/bitcoin-production-in-september-softens/