Re:Greg Brockman quits OpenAI
by zone411 on Friday November 17, 2023 @08:24PM
(#38313640)
Nice idea, I hope somebody builds it. Signal just showed that they're spending $6 mil/year for verifying phone numbers.
[ Parent
| on HN ]
That's why we offloaded phone validation to Telegram - it is too costly to send SMS in other countries than our home market and spammers are finding ways to get phone numbers for free from different VoIP providers. We need to implement complicated SMS sending limit logic to avoid abuse