Bitcoin’s declining exchange reserves, rising U.S. exchange dominance, and bullish technical signals point toward a potential second-half 2025 rally.Metrics like the Stablecoin Supply Ratio and moving averages suggest significant upside if current trends hold—making BTC a key asset to watch.U.S.-based exchanges are regaining dominance in BTC transfer volumes, while Bitcoin's presence on centralized exchanges has diminished significantly.Technical analysis indicates a bullish sentiment with the 90-day SMA crossing above the 365-day SMA, and a favorable Stablecoin Supply Ratio.