Sean Wei => YSITD: Telegram is based on phone contacts, any party can potentially check whether a phone number is registered in the system. This is also true for any other contact-based messaging app (WhatsApp, Messenger, etc.). #57a1ce033062c9127c5a6c61

Sean Wei says to YSITD

Telegram is based on phone contacts, any party can potentially check whether a phone number is registered in the system. This is also true for any other contact-based messaging app (WhatsApp, Messenger, etc.).

at Wed, Aug 3, 2016 6:57 PM