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Bitcoin in Five Minutes
Bitcoin is a scarce, digital money secured by a distributed network rather than a central authority.
TLDR
- Fixed supply capped at 21 million.
- Transactions are recorded on a public ledger called the blockchain.
- Blocks are secured through proof-of-work.
- Users can self-custody without intermediaries.
Why it exists
Bitcoin was created to offer a digital form of money that does not depend on a central bank or trusted intermediary.
How it stays scarce
New coins are issued on a predictable schedule that halves every four years, making supply growth transparent.
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