: Discord, WhatsApp, or Twitter often rename uploaded files to a unique hash to prevent naming conflicts on their servers.
: Some DVR systems name files based on a unique device ID or timestamp hash. Finding the Origin aff59e1c7740deb0.mp4
: Where did you find the link or file? If it was a chat app, the filename is likely just the server's way of indexing that specific upload. : Discord, WhatsApp, or Twitter often rename uploaded
