Still, he sees the value in digital payments systems and supports electronic use of government-backed currencies like the dollar.
“I’ve been a great advocate of moving to an electronic payments mechanism. There are a lot of efficiencies. I think we can actually have a better regulated economy if we had all the data in real time, knowing what people are spending,” he says.
https://www.cnbc.com/2019/05/02/joseph-stiglitz-we-should-shutdown-the-cryptocurrencies.html
As a winner of Nobel-Prize from the centralized institution (you know that) and it's a common thing for him to do that. That guy never knows what he was talking about. he was saying if we must be pegged to the centralized system that can freeze our money without any reason. that's a joke.