Replacing the global monetary system with corn

Do you love PBR? Oh sorry, not the beer - I’m talking about precariously balanced rocks.Earth is a big place with lots of rocks, and so many of them are precariously balanced that there’s an entire Wikipedia page about them.Among the most famous of these PBRs are the balancing rocks of Zimbabwe, which are so popular that they appear on the southeast African nation’s banknotes. Here are the balancing rocks on the Zimbabwean 100 trillion dollar note:Reserve Bank of Zimbabwe, Public domain, via Wikimedia CommonsYou might be thinking to yourself, “Hey, 100 trillion? That’s a big number.” And you would be correct. One hundred trillion is, in fact, a big number (I took one math class in college so I know about this kind of stuff).Zimbabwe’s 100 trillion (100,000,000,000,000) note was one of the highest denomination banknotes ever issued and was printed at a time of hyperinflation in the country. And while they were almost worthless while still in regular circulation, they can go for…