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: A Deep Dive into an Open-Source Self-Hosted E2EE Encrypted Communication Platform
redditr/opensource7/11/2026
Related Claims
VerifiedSignal Protocol has been widely adopted by mainstream applications including WhatsApp and Google Messages.82% similarVerifiedOpenClaw supports interaction via instant messaging tools such as Telegram, WhatsApp, and Slack.71% similarUnverifiedOpenClaw's broadcast group mode (used for Agent orchestration) currently only supports the WhatsApp channel and does not support domestic tools commonly used in China such as Feishu.68% similarUnverifiedThe 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.67% similarVerifiedWhatsApp Business API uses a conversation-based billing model; when a user proactively sends a message to a business, a 24-hour customer service window is opened, within which the business can send any number of messages for free.64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/489984API
curl https://kongchang.com/api/v1/knowledge/claims/489984MCP
get_claim(id=489984)