Bitcoin has already gained the popularity since its inception in 2009 and it's still expanding the scope of its popularity due to the benefits it offers users as compared to the Fiat. It has created a lot of millionaires and shaped the life of many individuals and their families. Due to the decentralized nature, users are now the masters over their own financial transactions and enjoy security, speed and low costs for transactions with Bitcoin.
Although there are alt coins performing greatly, Bitcoin is still set as the standard of measurement for all the other coins. It is still spearheading the cryptocurrency world.