消息元数据详解:文本之外,谁能看到什么?
理解消息元数据,区分网络与服务的可见范围,并就标识符、保留和删除提出有用的问题。
End-to-end encryption explained: message keys, encrypted groups, verification, recovery and the boundaries that matter.
Start with a simple question: who can read the message? These guides explain end-to-end encryption through the things people actually do: send a photo, join a group, verify a contact, or restore a conversation.
Follow the details as far as you need. The collection covers message keys, sender-key groups, identity verification and the places where encryption stops protecting a conversation.
What does end-to-end encryption protect?
How do I verify an encrypted conversation?
What changes when a private group grows?