Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies,[13]products, and services. Research produced by the University of Cambridge estimates that in 2017, there were 2.9 to 5.8 million unique users using a cryptocurrency wallet, most of them using bitcoin.[14]
On 18 August 2008, the domain name "bitcoin.org" was registered.[25] In November that year, a link to a paper authored by Satoshi Nakamoto titledBitcoin: A Peer-to-Peer Electronic Cash System[4] was posted to a cryptography mailing list. Nakamoto implemented the bitcoin software as open source codeand released it in January 2009 onSourceForge.[26][27][12] The identity of Nakamoto remains unknown.[11]
In January 2009, the bitcoin network came into existence after Satoshi Nakamoto mined the first ever block on the chain, known as the genesis block.[28][29] Embedded in the coinbase
You have copied all this from steamit, but you didn't mention the source, those type of actions here are considered plagiarism and are the final result is ban.
Let me FTFY.
Here is your source:
https://steemit.com/bitcoin/@techything/what-is-bitcoin Don't make this mistake again, as the other members are already tired of such attitude, and if they spot this you gonna be banned. You should have read the rules before start posting.
Edited : On the other hand you already spammed 3 posts while I was writing this, so I guess I'll just report you myself.