What is Bitcoin?
Digital money that works without banks, run by thousands of computers following the same rules.
In plain words
Bitcoin is money that answers to no one. No government prints it. No company controls it. Thousands of computers around the world keep one shared record and check each other's work — every rule enforced, no exceptions granted. New coins arrive on a fixed schedule no committee can bend. Only 21 million will ever exist. You need no one's permission to use it.
Why it matters
- The first money whose supply no government or company can inflate.
- Value moves like email: no bank hours, no borders, no gatekeepers.
- You can hold it yourself — no account, nothing to freeze.
Numbers that matter
- 21 million — the most bitcoin that will ever exist.
- 100,000,000 — satoshis in one bitcoin; you can own a fraction.
- ~10 minutes — average time between new blocks.
- 2009 — running since January of that year, with no company behind it.
Not to be confused with
- "Crypto" — Bitcoin is one specific network with fixed rules; most coins copy the form, not the guarantees.
- Blockchain — the record-keeping technique Bitcoin introduced. The tool, not the money.
Go deeper
- The Bitcoin whitepaper — nine pages that started it all.
- Blockchain
- The 21 million cap
Updated 2026-07-29