Bitcoin mining companies face significant paper losses in Q1 2025 earnings due to FASB accounting rules that require marking their Bitcoin holdings to market prices. As Bitcoin fell from $93,429 to $82,549 during the quarter, major miners like Marathon could show unrealized losses approaching $600 million despite operational improvements.

• FASB accounting creates massive paper losses for miners with large Bitcoin holdings despite solid operations
• Marathon potentially facing $600M loss, Riot $192M, CleanSpark $129M, and Hut 8 $110M from mark-to-market accounting
• Hash price has recovered from $39 to $49 (25% increase) improving miner profitability
• Expected 5.6% difficulty decrease will boost Bitcoin production by approximately 5-6% for miners
• Iren and Cipher achieving highest margins near 74% due to efficient fleets and power costs below 3 cents
• Strategy and BlackRock now neck-and-neck at approximately 550,000 Bitcoin each
• Arizona legislation could establish first state-level strategic Bitcoin reserve
• UK finance minister signaling interest in making Britain a leader in digital assets

Sign Up for Our Free Weekly Newsletter: https://www.powermininganalysis.com/newsletter