Fidelity Digital Assets argues Bitcoin’s market structure has shifted enough that the familiar four-year boom-bust pattern and the brutal 80% drawdowns that often followed, may no longer be the default outcome. In a Feb. 24 research note titled “Is Bitcoin’s Four-Year Cycle Over?” research analyst Zack Wainwright frames the call around a simple observation: Bitcoin is now a very different-sized asset with a very different buyer base. Fidelity pegs Bitcoin’s market cap at an all-time high of roughly $2