I know mercatox more than 4 months and was made transaction more than 8.5 btc (totally), everything is okay and if any difficult we can use chatroom box, and they will full support. I trust with mercatox.

For now yes, because the bitcoin is the best invesment option than others, everyone know that bitcoin is very profitable, now the price rising and this year will reach $10k

Yes, if the governemnts and banks use bitcoin of course will get many advantage, bitcoin is very useful to make simple and easier transaction then fiat money.