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What Is Bitcoin? Bitcoin is a decentralized digital currency created in 2009 by an anonymous person (or group) called Satoshi Nakamoto . It allows people to send and receive money over the internet without a bank or middleman . Unlike traditional money: No central bank controls it It’s not printed by governments It exists only digitally How Does Bitcoin Work? Bitcoin runs on a technology called blockchain . 1️⃣ The Blockchain (Public Ledger) Think of the blockchain like a public spreadsheet : Every transaction is recorded Anyone can view it No one can secretly change it Transactions are grouped into “blocks” and linked together — forming a chain of blocks → blockchain. 2️⃣ Mining (How New Bitcoin Is Created) Bitcoin is created through a process called mining : Powerful computers solve complex math problems The first one to solve it adds a new block to the blockchain The miner earns newly created Bitcoin as a reward There will only ever be 21 million Bitcoin , which makes it scarce. 3...