The crypto market’s center of gravity is back in the US as 2025 approaches, courtesy of Donald Trump’s reelection to the presidency and widening demand for the nation’s digital-asset funds and derivatives contracts.Trump’s vow to make America the linchpin of the crypto sector ignited a frenzy of trading, adding to a spurt in activity triggered by the surprisingly successful rollout of US Bitcoin exchange-traded funds from the start of 2024....