Re: Why is Bitcoin more worth than other cryptocurrencies that have better specs?
One of the main reasons why Bitcoin has more worth than any other cryptocurrencies is because it has the proven track record to secure hundreds of billions of dollars ($269 billion as of Dec. 
without getting it lost to theft or accident.
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without getting it lost to theft or accident.-snip-
While the Bitcoin network isn't hacked yet, but a cracker can steal it by hacking an exchange, which has happened many times since MT.Gox incident. I don't really see any direct correlation between the highest market cap on the market with the price of BTC.
Beacuase it's an older coin widely accepted by many people over the world. But it may be changes as people start using other coins.Like Monero on dark web. Where BTC volume reduce and Monero volume increased.
Define "many"? I don't think even 1% of people in this world (that is, around 60 million) use Bitcoin. Even the number of users of Bitcointalk is only around ~2 million. Bitcoin is not yet adopted by many. On the other hand, looks like blockchain will have a bright future because mass-adoption is currently on-going.