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OpenAI is now valued at $157 billion
(arstechnica.com)
This is a most excellent place for technology news and articles.
The total market cap across all cryptocurrencies is currently about 2.5 trillion dollars, which isn't far below its all-time high of 3 trillion. If that's something you'd say "hasn't fully died yet" then AI's not going to go away any time soon by that standard.
I didn't specify cryptocurrencies. They were not the only "good" attached to blockchain hype. Besides, they are primarily money laundering schemes and also used to steal from the financially illiterate. Touting market caps doesn't change the actual real-world use case.