Bitcoin
Definition
A decentralized digital currency that enables peer-to-peer transactions without intermediaries, secured by cryptography and recorded on a public blockchain.
The first and most prominent cryptocurrency, invented in 2009 by an anonymous person or group using the pseudonym Satoshi Nakamoto, often abbreviated as BTC.
Examples
My uncle put his life savings into bitcoin back in 2010 and now vacations on yachts while the rest of us clip coupons.
She tried to buy groceries with bitcoin, but the cashier just stared like she'd offered moon rocks.
Bitcoin's price swung wilder than a toddler on a sugar rush, turning paper millionaires into ramen connoisseurs overnight.
He mined bitcoin with his gaming rig until his electric bill arrived looking like a small country's GDP.
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