Then have a 6 month period to convert all old currency $20 and $100 to new currency.  

A person who has spent his 2000 to 4000 minimum CPA practice hours doing foreign currency conversions at Deloitte for a Belgian energy company may not know the first thing about real estate or anything else.

Wise is an international bank that allows you to deposit and display statements in whatever currency you choose.  

You'll need a US LLC and a US based bank account with the US dollar as currency in it.

This will happen in a market with balanced supply and demand, in a monetary system like the US, with fiat currency targeting 2% inflation.- In some markets, that are growing quickly, with great jobs and lots of inbound migration, this could be a little higher - like 4-5% per year over long time periods as demand outpaces supply.

When we moved our companies to a new accounting software we looked at Quickbooks, but found its international awareness (tax rules, multi-currency, locale support, etc), project/job, and multi-company abilities to be clunky.To be fair, none of the candidates hit everything on our wishlist.We ended-up selecting MoneyWorks by Cognito and have been satisfied with it over the past three years.

Note this calculation gets worse if you recognize the declining value of currency.  

It is mostly acts like a foreign currency today and that might require currency conversion beforehand to find any same day US dollar value.

He didn’t just make a decent profit; he sudenly saw himself as part of a network where trust and reputation were the real currency.

Is litecoin more currency like?