Don't privilege any given currency - you don't buy or sell things, you trade commodities. Sometimes that commodity is a currency, sometimes it's a stock, sometimes it's an actual thing.
For the trade that is currency exchange, one currency's hyperinflation is the other's hyperdeflation. If you traded away USD for Zw$, your loss (as measured by the amount of Zw$ you could have had later for that USD) was near-infinite.
you could have had later
You are now talking, basically, opportunity costs. I don't think your approach makes sense.
This thread is for asking any questions that might seem obvious, tangential, silly or what-have-you. Don't be shy, everyone has holes in their knowledge, though the fewer and the smaller we can make them, the better.
Please be respectful of other people's admitting ignorance and don't mock them for it, as they're doing a noble thing.