Bill Gates, one of the world's most studied allocators of capital, has once again declined to place his trust in Bitcoin, calling it a 'pure mania-driven asset' whose value rests entirely on the willingness of future buyers rather than on anything the asset itself produces. His position is not new, but it endures — a quiet insistence that the difference between speculation and investment lies in whether something underneath the price is actually working. In a moment when digital assets continue to attract institutional legitimacy and retail enthusiasm alike, Gates returns to an older question: