[quote=FlyerInHi]
in the past there was no offshore banking. And few international transactions. Even the richest people kept their money locally and it wasn’t that hard to find out who owned what.

That’s how Thomas Piketty was able to do research on wealth over more than 100 years.

Now, thanks to offshore banking, globalization, easy air travel, it’s easier to diversify and protect your wealth from political risks.[/quote]easy air travel won’t be there if catastrophe really hit. You can’t even leave your own city much less fly out of the country. Your internet will be tracked and and new sign of additional money will be confiscated. If you’re lucky enough to exchange your foreign money to local currency to spend, all they have to do is change the currency and make your new exchange worth only as much as the paper it’s printed on.