This is the most basic crypto currency, and it is still the most popular and promising, although other countries have the same potential.

Because of most popular cryptocurrency of bitcoin is it has a lot's of thread .In this cryoto world there is know crypto currency like bitcoin .It has big trades & transections.there has many company in the bitcoin world and they all trusted also.That's why bitcoin is more popular cryptocurrency in the world.

The fact that bitcoin was the first to enter the market of crypto-currency and opened it, gave him a serious advantage over time. When bitcoin has conquered the world, the other currencies have just begun to emerge and develop.

Bitcoin is the most popular cryptocurrency because it had the "first mover" advantage, usually the first player in the game rides supreme until somebody else knocks them off the throne. Bitcoin garnered the widest recognition and highest user base because of this advantage, it's not about superior technology anymore. Once the lightning network is implemented, Bitcoin will again reign supreme in terms of scaling and potential, so long as other coins don't manage to 1-up it.

Bitcoin is popular because it is the first crypto currency and also the only one for now that is accepted by on line shops. The layman does not know other alternative currencies.He only knows of bitcoin as internet money.

Yes i agree on that and i believe that bitcoin is really getting more popular becaus eit has really many advantages that can atract people  to invest on it and hold it for a long time because of its unstable pricw that can really give us an opportunity anytime anywgere withoit a prior notice .We  can really see that bitcoin is really getting trend in a socia media because of its  good feedback tbrough the feild of cryptocurrency that is why it is really the most acceptable and amazing kinds of  coin today.

How about etherium? have you seen the 1 year chart of it? Take a look and see that there is not much volatility in its growth(as compared to other altcoin).
 

Because this is one of the very first crypto currencies, which managed to earn special trust among users.

Because bitcoin is the father of cryptocurrency, its the king of all coins and tokens. Its the only one that dump a bit and can pump more than it dump in just a short period of time ! but can pump so high in no time too. And also Because bitcoin is the most paid currency in crypto and it is the oldest currency. Now, no one can beat bitcoin anymore.