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Its founder, Satoshi Nakamoto, solved the double-spending problem and crafted a well-designed protocol that has scarce units that are tradeable in a stateless and decentralized way. In terms of utility, try bringing $250,000 worth of gold through an international airport vs bringing $250,000 worth of bitcoins with you instead, via a small digital wallet, or via an app on your phone, or even just by remembering a 12-word seed phrase.