Too Long; Didn't Read
The meltdown of the global financial systems in 2008-09 prompted "Satoshi Nakomoto" to create a 21st-century version of the old Proof of Work model. A currency backed by gold was not subject to devaluation the way a fiat currency devalues. Money is looking for an easier way to get a "stake" at the cryptocurrency table. Mainstream money has been very slow to recognize what cryptocurrency could be but the Proof of Stake model requires, well…work.