> Like with video games, and even personal computers, often things that start off looking like toys become the next big thing in technology

That's true. But we didn't have a hype cycle spending billions and destroying the environment for Pong. We had that only once an actual market of applications for the technology appeared.

Crypto isn't there yet, and likely won't be for the next few years. And likely none of today's chains will be used for these applications.