This tech indeed is the future. Just be careful keeping hand in all those altcoins. This plan of yours is working for you now; but don't loose control.

There are a lot of coins that have impressive masternode policies. There are a lot to consider before choosing s good masternode. Be careful with huge ROI returns promises, as they usually don't do well. 

Crypto currency and Healthcare are doing some fine job these days. There is a bright future in energy and construction as well. Very soon we can see other services joining hands with crypto market.

It is understandable that people want proof as there is a common saying that seeing is believing and how ICO's are it is natural to be cautious by doing your research before taking any steps.

This is a big deal as crypto security enables the user to have possession of their coins to the extent no one would be able to retrive them without a key from the owner, and it is a important step for the person in ownership of this to be able to have a will in place so the key may go to the person they trust as it won't be of much use to anyone if they are gone.