Cryprocurrencies are juxtaposed in the article to ChatGPT-like AI in two ways.
* 3 years ago, BTS / ETH / a whole slew of other coins were all the rage, the centerpiece of popular speculation. Now AI takes their place, even though without the get-rich-quick overtones.
* Many cryprocurrencies and AI both massively benefit from the use of GPUs, so once the crypro bubble burst and a lot of GPU compute power was freed, it can now conveniently be used for AI.
* 3 years ago, BTS / ETH / a whole slew of other coins were all the rage, the centerpiece of popular speculation. Now AI takes their place, even though without the get-rich-quick overtones.
* Many cryprocurrencies and AI both massively benefit from the use of GPUs, so once the crypro bubble burst and a lot of GPU compute power was freed, it can now conveniently be used for AI.
Otherwise, they are not comparable indeed.