On 31 October, a link to a paper authored by Satoshi Nakamoto titled Bitcoin:

A Peer-to-Peer Electronic Cash System was posted to a cryptography mailing list

On 3 January 2009, the bitcoin network came into existence with Satoshi Nakamoto mining the genesis block of bitcoin (block number 0), which had a reward of 50 bitcoins

Happy Birthday, Bitcoin! On this day 13 years ago, an anonymous contributor released a paper & code detailing a system titled Bitcoin. Embedded in the genesis block was a message "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks". WAGMI

"Satoshi Nakamoto" is presumed to be a pseudonym for the person or people who designed the original bitcoin protocol in 2008 and launched the network in 2009. Nakamoto was responsible for creating the majority of the official bitcoin software and was active in making modifications and posting technical information on the bitcoin forum.

There has been much speculation as to the identity of Satoshi Nakamoto with suspects including Dai, Szabo, and Finney – and accompanying denials.

The possibility that Satoshi Nakamoto was a computer collective in the European financial sector has also been discussed.

The first transaction involving physical goods was paid on the 22nd May 2010, by transacting 10 000 BTC in exchange for two pizzas to be delivered by Papa John's.

At the time, the value of the transaction was negotiated by individuals on the bitcoin forum.

In June 2021, the largest bitcoin event in history took place in Miami, attracting approximately 15,000 bitcoin enthusiasts