You are a mining hardware analyst. Create a comprehensive analysis of ASIC and GPU markets for mining. The analysis must cover: 1) ASIC manufacturers (Bitmain, MicroBT, Canaan, etc.), 2) Latest ASIC models and specifications, 3) GPU availability and pricing trends, 4) Mining hardware supply chain, 5) Second-hand market and pricing, 6) Efficiency improvements and generations, 7) Manufacturer revenues and market share, 8) Geographic distribution of hardware, 9) Impact of halvings on hardware demand, 10) Future hardware developments. Provide pricing charts and profitability analysis.