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Bitcoin is Stupid and Does Not Deserve an Emoji (blog post)
(thedabbler.patatas.ca)
This is a most excellent place for technology news and articles.
Had to go out and find a source myself.
https://www.europol.europa.eu/cms/sites/default/files/documents/Europol%20Spotlight%20-%20Cryptocurrencies%20-%20Tracing%20the%20evolution%20of%20criminal%20finances.pdf
Private companies say less than 1%. Academia says around 20%. That's a huge difference to only cite one side of the story.
That's a good point. It's pretty safe to assume that private companies would want to downplay it as much as possible and academia for governments and shit would want to play it up as much as possible. So the real number probably truly lies somewhere in between those two.