Pushback Against Dimon's Crypto Views

In a CNBC interview, Jamie Dimon compared crypto tokens to 'pet rocks', continuing his longstanding criticism of cryptocurrencies, which he previously likened to decentralized Ponzi schemes. In response, Dave Ripley, the incoming CEO of Kraken, criticized Dimon's comments, suggesting a lack of understanding of the crypto industry.

In what context did Jamie Dimon express his views on the crypto industry?

What does Dave Ripley suggest about Jamie Dimon's understanding of the cryptocurrency industry?