The reason for that level of sucess is because it does better what it proposes to do, which is to be a good store of value and censorship resistant. Most other currencies try to do the same, but there is no way for them to achieve this being so centralized.
Indeed. Also, in addition to that, as we all know, bitcoin was the first cryptocurrency to be established in the world that makes it special among all the cryptocurrencies which are just inspired by the establishing of bitcoin. It is special among all the cryptocurrencies because of the benefits it can give which attracts manh people to get engage with it. The price also makes it special because as we can observe, it is the cryptocurrency that has the largest potential to grow and as we can see, it has the highest price in the market.
Bitcoin is so much special than other currencies due to its unique qualities as; the high value in the markets, the high rising rate in value and high security system for transfer and other perpuse. Due to these qualities people make their invest in bitcoin and other people work with them in result trust raised among them and those people in the bitcoin. In this way bitcoin go popular and it gain the trust of people.