A firefighter, paramedic, and nurse for 20 years, Patrick O’Brien never thought about money—until a cancer diagnosis forced him to rethink everything. Facing an uncertain future, he searched for a way to protect his family’s wealth. Then, Harvard doctors introduced him to Bitcoin—his ACE card in life. Now, he’s on a mission to educate firefighters, nurses, paramedics, and police on escaping the fiat rat race