Origins and the blockchain
The Bitcoin whitepaper
3 min
In October 2008, a person or group using the pseudonym Satoshi Nakamoto published a nine-page document titled Bitcoin: A Peer-to-Peer Electronic Cash System. In January 2009 the first version of the software went live and the first block — the genesis block — was created.
What the whitepaper proposed
The paper's core claim was that you could build electronic cash that goes directly from one party to another without a financial institution in between. To do that it had to solve double-spending without a central authority.
Its solution combined a few existing ideas into something new:
- A public ledger that everyone can verify, rather than a private one held by a bank.
- A way to order transactions in time so the network agrees which payment came first.
- An incentive (newly issued coins) for participants who help secure and extend the ledger.
Who is Satoshi?
Satoshi Nakamoto's real identity has never been confirmed. They communicated by email and forum posts, contributed code until around 2010, and then withdrew. The coins mined in the earliest days, widely believed to be Satoshi's, have never moved.
This anonymity matters less than it might seem: because the software is open source and the network is run by thousands of independent participants, Bitcoin does not depend on its creator. No single person can change its rules — a property we examine next.
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