Why do people prefer to buy Bitcoin over other cryptocurrencies?
There are many reasons:
Bitcoin is the most capitalized market amongst cryptocurrencies, and that is an important measure for any form of money. If it is difficult to trade a form of money without crashing the price of it, then it is not a very useful money in the first place! As ...
People get religious about "their" choices... it comes down to the longest chain with the least likelihood of being coopted by something like a 51% attack.
Almost anything the other coins have can (and often is) being developed on top of BTC (side chains).
I think long term BTC becomes the TCP/IP of crypto and great ideas can flourish in other cryptos as ...