> You can get paid crypto to offer up your connection.

Voluntary malware? Funded malware facilitation?

I'm not against crypto, but it would sound more legit if you removed the word crypto from your sentence. If it's exclusively the ability to be paid in crypto, as opposed to local currency or USD, then I'd guess it leans pretty heavily to shady-ness.

I pretty much think all residential proxy traffic is undesirable - otherwise it wouldn't need to use a residential proxy (they're used to get around erstwhile blocking, which someone has actively chosen to put in place - rightly or wrongly).