Bitcoin miners show promising recovery with both Bitcoin and mining stocks turning green after last week's significant downturn, signaling renewed investor confidence despite ongoing geopolitical tensions.

• Mara's July production of 703 Bitcoin shows impact of curtailment issues despite hash rate growth to 58.9 EH/s
• Mara's Bitcoin holdings now worth 102% of company market cap, essentially valuing operations at zero
• Core Scientific-CoreWeave deal value has declined from $9 billion to $5.66 billion as Core Weave share price falls
• DMG Blockchain has 95% of market cap in Bitcoin holdings while developing HPC strategy
• Bitcoin miners maintaining 72-77% gross margins despite "double halving" effect
• IREN leads efficiency race with estimated $30,600 cost to mine one Bitcoin
• Comparison of top four miners shows varying operating costs and efficiency levels
• Fleet efficiency improvements have been crucial with new miners operating at half the energy per terahash

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