As such I'm doubtful this will change anything about peoples behavior.
It's also quite scary how nonchalant many people here are arguing for this to stop "propaganda" which these days seems to be as easily defined as "Anything that doesn't conform with a Western/US-centric narrative".
Because I have yet to see one of these "propaganda ban waves" be reasoned with anything but "Russia/Iranian/Chinese propaganda" like that's the only kind of "propaganda" that exists [0].
As such I consider these "propaganda bans" just another exercise in propaganda [1].
[0] https://washingtonsblog.com/2014/07/pentagon-admits-spending...
[1] https://en.wikipedia.org/wiki/Falsehood_in_War-Time#Summary
Chances are they'd want more than a phone number; probably a photo ID or something as well, else their value proposition isn't very strong.
I'm not sure if that's better for privacy and safety than many services asking for just a phone number (which I can generate a semi-throwaway Google Voice number for).
Well, then again, something awful was a paid forum iirc, and it was still a den of villainy.
And accepting a cryptocurrency would probably have little impact on all the lucrative scams that get spammed around Twitter.
I've grown suspicious with many accounts on Twitter. Maybe I can learn to trust more.