马斯克推出聊天平台 X Chat：取代私信，可音视频通话和分享文件

Core Insights - The X platform, owned by Musk, has officially launched a new Chat platform aimed at replacing its existing direct messaging (DM) feature, providing users with a modern communication experience comparable to other mainstream instant messaging applications [1][3] Group 1: Features of the Chat Platform - The new Chat platform integrates various practical features, allowing users to conduct audio and video calls and share files directly within the X application, moving beyond the previous text-only communication model [3] - The platform introduces end-to-end encryption for enhanced privacy, along with a unique screenshot notification feature that alerts users when a conversation is captured, thereby increasing chat confidentiality [3] Group 2: Security and Limitations - X Company has openly acknowledged the limitations of its encryption features, stating that while the new encryption supports group chats and media files, metadata related to communications (such as recipient information) is not encrypted [3] - The company has admitted that the platform currently does not provide protection against man-in-the-middle attacks, meaning that in extreme cases, malicious internal personnel or even X itself could intercept encrypted conversations under legal compulsion, without the knowledge of the communicating parties [3][5] Group 3: Future Developments - To address potential security risks, X Company is actively developing features to help users verify the authenticity of encrypted conversations, aiming to enhance overall security [5]