.mkv (Matroska Video), which supports multiple audio tracks and subtitles.
Often indicates the video has a soft focus , motion blur from the source, or has been digitally blurred in certain areas to protect identities or comply with platform rules. @prbackup 720p blurr.mkv
Files from "backup" channels frequently contain malware or scripts. Always scan with VirusTotal before opening. .mkv (Matroska Video)
The where you saw the link (Telegram, Twitter, Reddit)? The context or subject matter of the "prbackup" channel? Any file size or timestamp information? motion blur from the source