Unverified50% confidenceFactExact time
Signal is an instant messaging app known for end-to-end encryption, widely praised by privacy advocates because it retains no metadata and enables private conversations by default.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedSignal and iMessage are among the few messaging platforms that truly implement end-to-end encryption.79% similarUnverifiedSignal使用的Signal Protocol基于双棘轮算法为每条消息生成独立加密密钥，实现前向保密性77% similarUnverifiedSignal Messenger fully open-sources its end-to-end encryption protocol, allowing security researchers to audit its implementation.77% similarUnverifiedSignal 协议前身为 TextSecure 协议，是当前最广泛部署的端到端加密通讯协议之一77% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1010799API
curl https://kongchang.com/api/v1/knowledge/claims/1010799MCP
get_claim(id=1010799)