As a blockchain developer who’s built smart contracts for DeFi protocols, I’ve watched with both fascination and concern as Trump’s 'Bitcoin Nation' vision clashes with harsh economic realities. The tariffs on Chinese矿机 aren’t just policy—they’re a stress test for American mining ambition. In this deep dive, I unpack why the dream of a domestic mining renaissance may be collapsing under its own contradictions—and what it means for decentralization's future.