There is only one Bitcoin
There may be over 20,000 forks, or people who have copied the bitcoin source code in GitHub to study, learn, and experiment from, and there may be over 30 variations of bitcoin, such as Bitcoin God, Bitcoin Top, Bitcoin Oil, Bitcoin Ore, Bitcoin Candy, and even Bitcoin Pizza (what is it with resources and food?) but there will only ever be one bitcoin (https://github.com/bitcoin/bitcoin).
Bitcoin, as we all currently know it, is the cryptocurrency with the largest market share, the highest price, and the longest chain, at this current point in time at least. Bitcoin's market share, however, dropped from around 85% in February 2017 to around 30% 12 months later, but this was always going to happen. In fact, bitcoin started out with 100% market share because it was the only cryptocurrency in existence for the first two years and the only way was down, considering all the altcoins that appeared and now the ever-growing number of tokens that are constantly being...