The sound comes from Fortnite, where Faction Chests use an eye scan check before opening and play this soft beep as confirmation. Players recorded the clip from gameplay and shared it as a standalone effect for editing, separate from the chest loot itself. It spread beyond Fortnite videos because the tone reads clearly as scanning and access granted in any sci-fi or gaming context. Editors still use it for unlocks, logins and gadget reveals where a short, recognisable verification sound is needed without dialogue or music.