Tox is not secure. Jason Donnenfeld (of Wireguard fame) filed a very alarming issue about how obviously bad the handshake was implemented[1], and lead developer

Tox is not secure. Jason Donnenfeld (of Wireguard fame) filed a very alarming issue about how obviously bad the handshake was implemented[1], and lead developer Andre Almeida (iphydf/noavarice) continued to downplay the severity in public, while fashioning exploits based on it inside his "Club Cyberia" Tox group to weaponize said issue. Stay away from Tox. 1. https://github.com/TokTok/c-toxcore/issues/426 https://github.com/TokTok/c-toxcore/issues/426