[shkkmo]

How is ethereum necessary or beneficial in solving any of them?

[eric_cc]

Not sure if you’re joking or not. If not, at least start with the wiki page to begin learning about it https://en.m.wikipedia.org/wiki/Ethereum

[shkkmo]

You should not assume ignorance like that, it does not contribute to the conversation. You don't seem willing to make any actual arguments. You just post lists and links and demand payment when people ask you to explain what you are trying to say.