Those are two great points.
I imagine getting more than $10K cash out of a bank on a given day is not possible. And if you want $50K, cash, call ahead.
The other continent is something few like to discuss. I guess because so few of us actually deal with overseas money personally. However, in talking to people in the US who are from other countries, it is a nightmare (and expensive) for them to send money home.
It will be interesting to see how this all plays out. STEEM has attributes that make it very attractive...it is just a matter if the general public eventually picks up on it.