They are not scam, I'm also using it for quite a while now and before I use it i also ask someone if this trading site was legit. I think they currently have problems in withdrawal on some of the token/coins. Like for example ETH, but now ETH issue with regards to withdrawal is already fixed and you can already withdraw your funds.

Yes this is possible and more than $50,000 will reach the price of Bitcoin, if China gets back on cryptocurrency and we all know how rich China are a lot of waiting investors on their country are waiting a perfect timing for entry. If that happens we will see Bitcoin to the moon.

I read online that BTH is more faster and cheaper-fee than BTC, so why people are not migrating to BTH en mass?
I mean why Hodl BTC?? if there is an other so similar crypto but best-design...
thank

There are too many of the ICO project, to be honest, I don't know how to choose a good ICO project, I just by the expert rating on icobench and telegram groud number to determine whether the ICO project is worth the investment.