Though I am highly in favor of crypto currency systems as opposed to fiat, this read is for everybody. I believe that the failure of major fiat money systems would be a positive result for society in general, it couldn't be done without pain, adjustment, change of some relationships, etc.
The history of humanity and, the introduction of new systems proves that, given the 'stable' implementation of a new or major advancement of existing technology, humanity adapts and, advances. Just some food for thought here.
https://www.zerohedge.com/news/2018-11-14/bank-england-unveils-seven-deadly-paradoxes-cryptocurrency