Clarify hashtag privacy and group sender identity

2026-09-17 00:26:37 +00:00 · 2026-07-27 20:07:08 +02:00
parent a3a1aa5e3b
commit 84ceabfd0d
2 changed files with 5 additions and 0 deletions
@@ -440,6 +440,8 @@ Byte 0: 0x14
    - Uses a secret key derived from the channel name
    - It is the first 16 bytes of `sha256("#test")`
    - For example hashtag channel `#test` has the key: `9cd8fcf22a47333b591d96a2b848b73f`
+    - Traffic is encrypted on air, but anyone who knows or guesses the channel
+      name can derive the key. Hashtag channels should not be treated as private.
    - Used as a topic based public group chat, separate from the default public channel
 3. **Private Channels**
    - Uses a randomly generated 16-byte secret key