Unverified50% confidenceFactExact time
Signal 协议由 Open Whisper Systems 开发，被 WhatsApp、Google Messages 等主流应用采用
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
DCTS：开源自托管E2EE加密通讯平台深度解析
redditr/opensource7/11/2026
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