Unverified50% confidenceFactExact time
Since 2016, WhatsApp has enabled end-to-end encryption (E2EE) by default for all chats, implemented based on the Signal protocol.
1
Sources
50%
Confidence
Long-term
Relevance
11/5/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe Signal Protocol is one of the most secure E2EE implementations recognized by the industry, and mainstream applications such as WhatsApp and Messenger have both adopted this protocol.78% similarVerifiedSignal Protocol has been widely adopted by mainstream applications including WhatsApp and Google Messages.75% similarUnverifiedWhatsApp增强安全功能包括通话时可选择通过Meta服务器中继连接以避免真实IP地址暴露75% similarUnverifiedWhatsApp launched a guest calling feature, allowing users to invite anyone to join a voice or video call via a call link, without the other party needing to register a WhatsApp account or install the app.73% similar
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