In trading, a blow-up describes the "complete and abject failure" of an individual, company, or hedge fund. When an individual trader "blows up", it's game over for them, and they move on to being an Uber driver or something like that. But banks are bailed out when they manage to work around the regulations designed to protect them and then trigger a financial crisis. This is because they provide the infrastructure and mechanisms for trade, investment, and ... just everyday living. Our society runs on the rails that they provide. You've got to wonder why we've built a financial system where, apparently, the only way to prevent our major players from blowing themselves up is to regulate their behaviour and then bail them out if they find a way around the regulation. But what if we could build automated "rails" for finance, that continued to function even if individual participants mismanaged themselves and went bankrupt? I wonder what such a system could be based on...