“Correct” is a tricky thing in language. There’s basically no difference between “widely used” and “correct”. My guess is that the tech community will generally

“Correct” is a tricky thing in language. There’s basically no difference between “widely used” and “correct”. My guess is that the tech community will generally resist using “crypto” to mean “cryptocurrency” while the general public might (though hopefully won’t) adopt it anyway. If so, it'll end up just like the word “hacker”.