Bitcoin's mining difficulty slightly decreased after reaching a record high of 126.9 trillion on May 31. Currently at 126.4 trillion, the difficulty level poses challenges for miners due to increased competition and costs. Despite reduced block rewards and rising operational expenses, some mining companies like MARA and CleanSpark are expanding production and holding onto mined BTC as a treasury asset. MARA reported a 35% increase in BTC output in May, accumulating 49,179 BTC. CleanSpark also saw a 9% rise in BTC production, reaching a total of 12,502 BTC. This shift towards accumulating Bitcoin as a treasury asset marks a change in strategy for mining firms. The industry faces financial pressures, but companies are adapting to remain profitable and increase their Bitcoin reserves. Read more AI-generated news on: https://app.chaingpt.org/news