What is Bitcoin?
Bitcoin is the world’s first decentralized digital currency(Cryptocurrency). It is open source in which no one person owns or controls Bitcoin but everybody can use it . Bitcoin uses peer o peer technology where no central authority is responsible for transactions , rather the whole network manages the transactions.
Bitcoin was invented by Satoshi Nakamoto. In November 2008 a paper authored by Satoshi Nakamoto titled “Bitcoin: A Peer-to-Peer Electronic Cash System” was published. Satoshi Nakamoto is an alias name and the actual person who invented Bitcoin is still a big mystery. Bitcoin was worth less than one-tenth of one cent in the year 2009 , and in the year 2017, its worth had increased to $20,000. Within a few days, it can be worth half or twice as much. Its value fluctuates rapidly and can be worth twice as much or half as much within a matter of a few days.
Link : https://bitcoin.org/en/