Sure they do, it's not a secret. I don't think for them it's a priority, but still do it.
Absolutely, they are sure to see the investment opportunity in bitcoin like Mike Novogratz that said he has about 10% in bitcoin.
Well, not just invest to Bitcoin, some Billionaires investing to Altcoin as Bill Gates with Factom, Putin with Ethereum ... They see cryptocurrency market can growth more in future and very potential, can make a huge profit if holding long-term 5-10 years
