Bitcoin miner CleanSpark reported a 27% increase in monthly production in September, mining 629 BTC and selling 445 BTC for $48.7 million. The company ended the month with 13,011 BTC in its treasury, showing a 26% improvement in fleet efficiency. CleanSpark’s shares on Nasdaq rose 5.28% following the report.

15 major publicly traded Bitcoin miners reached a record market capitalization of $58.1 billion in September, up from $41.6 billion in August. However, the Bitcoin mining industry faces challenges such as higher energy costs and potential tariffs on imported mining rigs. Bitcoin mining difficulty also hit record highs in September and October.

US Customs and Border Protection alleged that some of CleanSpark’s 2024 mining rigs were manufactured in China, potentially leaving the company with $185 million in tariff liabilities. Iris Energy, the largest Bitcoin miner by market cap, is also contesting a separate $100 million tariff dispute with the agency. China-made machines face a 57.6% duty, while rigs from other countries face lower tariffs.

Read more at Cointelegraph: CleanSpark Sells $48.7M in Bitcoin, Treasury Tops 13K BTC in September