However, the perpetrators of such frauds are now adopting new methods and technologies to defraud the investors. Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. In a message on his Telegram channel recently recounting the episode, Durov wrote: "I lost my company and my home, but would do it again – without hesitation." False news often spreads via public groups, or chats, with potentially fatal effects.
from it