BatChat is a secure and encrypted chat communication software, which supports various chat forms such as text, pictures, voice and video calls, and has the functions of reading receipt, unlocking password, group Gai Lou, group spokesperson and so on. End-to-end encryption technology is adopted to prevent the leakage and tampering of chat messages and protect chat privacy. Chat communication message sending: supports sending messages such as text, picture (face text), voice, video, file, location, friend's business card, etc. Real-time call: support voice and video call, and communicate in real time anytime and anywhere; Read receipt: the message sent to a friend will show the read/unread status, so as to know whether the other party has checked it; Screenshot reminder: whether it is a single chat or a group chat, as long as someone takes a screenshot of the chat content, it will be reminded in time;

Clear the screen with one button: clear the chat record with one button, reduce the memory burden and keep the interface fresh; Message forwarding: select a single or multiple chat messages and forward them to other friends and groups in batches; Mass messaging: messages are sent to selected friends in batches; Group chat management group capacity: free upgrade to 1000 people, up to 50,000 people; Bat APP- Group Gai Lou Bat APP- Building Group Gai Lou: Respond to a group message in a targeted manner, and others can pay attention to Gai Lou; Group speaker: send a unique set-top box group message to inform all group members;

Anonymous group: open anonymous chat, and all group members communicate anonymously; Group Silence: Turn on the silence of all staff, only the group owner can speak, or a group member can be prohibited from speaking in the group; Group member protection: hide the group member ID and prohibit adding friends among group members; Group members are active: check the activity of group members for one week and one month; Friend management friend grouping: you can create groups for friends and carry out classified management; Friend activity: check the friend activity and delete friends with insufficient activity in batches; Clean up friends: check your deleted and blacked friends and delete them in batches; Message management message grouping: create message grouping, classify chat messages, and quickly view and reply chat content; Message collection: important messages are collected and saved, which can be viewed and reviewed at any time;

Security encryption editing voice security hierarchical channel encryption content encryption server database security key security encryption method channel encryption adopts RSA, ECDHE, AES256_CBC, SHA256, SHA 1 and other encryption algorithms; Chat messages are end-to-end encrypted by double ratchet algorithm and asymmetric encryption; The database is protected by signature and encryption algorithm to prevent artificial tampering; The user's login password, unlock password and key are all saved locally through SRP algorithm. Bat safety is bat safety.