Japan's 40-year government bonds have broken through the 4% yield barrier—a historic milestone. This marks a significant shift in the global bond market landscape. Long-duration Japanese debt has been a safe haven for decades, and this breakthrough signals changing investor sentiment about inflation and monetary policy ahead. For crypto markets, rising bond yields typically compress valuations across risk assets. When traditional fixed income becomes more attractive, capital flows shift. Keep an eye on how this influences global liquidity conditions and institutional asset allocation strategies moving forward.