Actually, there are some really good and popular coins... check out these guys are talking about top 5  https://www.youtube.com/channel/UC2xsavNLSzXNA1H89ZGgQuw

I think the reason why bitcoin is the most popular cryptocurrency here is because many people are believing and trusting bitcoin as a source of income and they are benefited by this.  I think the another reason is this is a great opportunity to become more wealthy.

Perhaps because it was one of the greatest bitcoin and best. We know bitcoin already known many circles a few years as a way to use the comfortable and easy as well as good security, besides bitcoin can also be used for a variety of transactions and many online web sales use bitcoin as a sales tool, it might be more popular because of the bitcoin usage would be useful for the person at the time of a versatile mobile.

I think the answer is very clear. That's because Bitcoin is the world's first cryptocurrency and the originator of the changing world economy. Bitcoin that has changed the lives of many people in economics and many people succeed due to Bitcoin. Bitcoin also makes a lot of people so have a lot of money. There is also a belief that Bitcoin will be an important currency in the future, so they always save Bitcoin and never sell it.

If you know cryptocurrency, surely you also know Bitcoin. You compare the price of Bitcoin with another cryptocurrency, can anyone surpass the Bitcoin?

It is the first of its generation, has the most hashing power (infrastructure), and people like the idea the anonymous, mysterious figure behind it.

Mainly because it is the first of its kind. It's the first one to ever make something out of nothing. It's valuable in its own. It's its own boss. Bitcoin has no bells and wistles like any other cryptocurrency out there. It's just mainly used to be a means for trading goods and services other than the use of money. It's virtually digital money on its own. That's why bitcoins are so famous right now.

Bitcoin is now popular crytocurrency even in a poor country like ours. Why? Because it not the same from the other bitcoin has a higher marketing and its very good on trading. You dont need to worry about your money to trade in. And bitcoin is getting higher every hour. All you have to do is to wait when is the time to trade. So its getting popular nowadays. And even years to come. And other thing that i can actually believe and proudly say. Is that bitcoin is trustworthy. 

There are lot of crypto currencies in the market but still btc ranks one among them as its market value is rising in the best as compared to any other crypto even if several crypto currencies came up after the launch of btc .Only btc value is staying high in the market as its value is rising high as compared to it was in the past.And the percentage hike is more than any crypto currency say for example if you invest today in btc and cash it after six months or after a year it will definitely be profit for the investor as it doesn't need much time to grow as compared to other cryptos as btc is one of the oldest cryptocurrency .

Bitcoin is the most popular cryptocurrency because it is the standard price of cryptocurrency, we all know that the price of cryptocurrency using bitcoin or satoshi size, and people more easily remember the price in satoshi compared to using USD, it certainly makes a high dependence with bitcoin because all the major trading altcoin is with bitcoin, then USD, ETH and so on.

First-mover advantage. Lots of intrinsic value already stored in the currency.