Though Bitcoin is the first coin in the crypto world, and also the most popular coin, altcoins are also important in the market. Altcoins were created to become a helping hand of bitcoins. Both bitcoin and altcoins are important in the market. So, I think, altcoin is a proper name.

It appears the item isn't new, and this news doesn't bring any promotion IMHO. Appears ETFs endorsement/objection is as yet one of the principal factors for individuals to choose whether they'll join the crypto world or not. But it is believed if they don't they will regret later for sure.

Both are better for hold. But for me, it is ETC. As it is reliable and shows a stable growth in the market. Also it is profitable in long term. It is more valuable rather than NEO. But NEO is not also bad. You can hold both for the long term benefit.

You can find many different ideas based on this but I think you can use Google authenticator because it will fulfill your requirement.

i never face this type of problem. maybe it is the technical problem. try to contact with support team. hopefully they will help you.

Bitcoin has great possibilities. But it has volatility which is the main obstacle of it. Maybe it will be a national treasure but the fluctuations will create risk for the investors.

I think it will be a very hard for bitcoin. I hope that bitcoin will not go to this much low. But anything can be happened in the crypto world. If it happens, it will be one of the worst times for bitcoin.