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Here’s how SIM swap in alleged bitcoin pump-and-dump scheme worked
(arstechnica.com)
This is a most excellent place for technology news and articles.
Ah, gotcha. Those are one-time passwords. Same acronym, so it's easy to confuse them.
But yeah, I agree that everything should use (T)OTP for two-factor authentication, instead of SMS messages. The later mainly provides a false sense of security and presents only a minor hurdle for attackers to overcome.