Do you have a source for (1)? I'm pretty sure GPU mining btc is inefficient even with free electricity (depreciation of the PC/GPU will outweigh benefits) edi

Do you have a source for (1)? I'm pretty sure GPU mining btc is inefficient even with free electricity (depreciation of the PC/GPU will outweigh benefits) edit: was curious so checked the math Using a 3060TI GPU (one of the most cost-efficient for performance gpu's available) would generate about $0.0002/day, or take ~5000 years to pay itself off even with free electricity