Multiple reason are satisfy this above questions. Bitcoin is the first crypto currency in the digital world, so it old, highly recommended and trustable. Bitcoin has Blockchain technology which is the one of the reasons behind people loves towards Bitcoin. Bitcoin is highly used crypto currency and many online retailer accept it. Bitcoin has more user in comparison to other crypto currency user. According to a survey there are approximately 10 million Bitcoin wallet user are present. Many big multinational companies are using Bitcoin. So this reason are attract more people towards it instead of other crypto's