For decades, money has been an invisible scaffolding for civilization. It was tangible in the copper of coins, the fibers of banknotes, the quiet flicker of a ledger entry in a faraway office. Yet, as our lives became intertwined with digital landscapes, the very concept of currency evolved, giving birth to a form of money that exists entirely in the abstract—a currency governed not by institutions, but by cryptography, consensus, and a shared, immutable ledger. Bitcoin, the first and most fa...