Bitcoin started year 2009 made by Satoshi Nakamoto. The total value of bitcoin was on the 18th November 2012 valued at 122 252 993 USD. 4 years later the value increased to 6,3 milliards USD. Bitcoin started slowly as other comapnies but 6 years later they became one fo the most famous. If you had deposited $100 and bought bitcoins for that amount you would have had very much money today.
Bitcoin was the first known cryptocurrency ever. After a while other cryptos became known.
Before cryptocurrencies, the newest that was were visa and mastercards.
Bitcoin will be remembered as the currency that increased huge were many invested 100$ and got huge returns. Bitcoin is was and will be the main cryptocurrency, the what people think when they hear of cryptocurrencies.