Anyway, the money system will be over rather soon I bet 
When there is specialisation of labour, inevitable when people start to live in large groups, barter becomes too complex to work well. E.g. picture a reasonably sized village with a blacksmith, a baker, a candlestick maker, a weaver, a fisherman, a farmer, a butcher, a priest (or wise man). Now try and make barter work.
And there are always those who spend less than they earn, and others who spend more than they
earn. And so lending and borrowing begins. And now the Law of Entropy kicks in, which basically says that everything tends to disorder, and itself creates increasing complexity. The complexity of borrowing and lending systems quickly increases.
An occasional hobby horse of mine is that this applies to everything we do. Back in 1981, Microsoft's MS-DOS program was so simple that a good programmer could understand it all. Today, no-one really knows Windows 10. Not surprisingly, faults appear with frequency.
Today the lending and borrowing systems are so intertwined globally that no-one really knows what is going on. Chaos theory has a chance to work in practice. Hardly a surprise when disorder and calamity breaks out when a parameter, e.g. economic growth, changes substantially.
One of the many big ideas in physicist Sean B. Carroll’s The Big Picture: On the Origins of Life, Meaning, and the Universe Itself is the concept that entropy can drive increasing complexity. In fact if our universe did not have increasing entropy as one of its fundamental components, we would not have the complex world we see today, including you and me.
Entropy can't be reversed - if you reverse one bit, disorder and complexity break out elsewhere. When you make hydrogen and oxygen from water, you use up vastly more energy than the potential energy created, and have made complex systems and machines to do it.
People have tried to group themselves into communities where self-governance is a form of "to each his needs, from each his ability". So far it has not gone well. The end result is usually confusion, disorder and complexity.
To summarise -
- Homo Sapiens is stuffed. We are already banking on AI to handle the levels of complexity we can't deal with, thereby multiplying complexity which will require even bigger AI brains to handle it.
- any attempt to put order back into lending and borrowing will end up with even more complex systems being invented (as has happened since the 2008-2010 crash).
And that's all I'm going to say about thathttps://medium.com/@marktraphagen/entropy-and-complexity-the-surprising-paradox-behind-our-universe-60f11409da9b