While I sympathise with the intent, to stop this particular debasement of language, I doubt this is an effective way to go about it. It's an anonymous voice shouting into the void.
I think admonishing people to speak and write properly is a genuinely worthy pursuit. If you've got, say, a tech blog or forum, you can set language-policing posting guidelines. Some people might complain, but just ban them (if they're persistent/stubborn offenders.)
But you do realize that "cryptocurrency" might very well be THE everyday use product/experiment that successfully demonstrates and educates the average human on the social implications of 'Crypto'.
I think admonishing people to speak and write properly is a genuinely worthy pursuit. If you've got, say, a tech blog or forum, you can set language-policing posting guidelines. Some people might complain, but just ban them (if they're persistent/stubborn offenders.)