The name ‘Robux’ is a portmanteau of Roblox and “bucks” (bux). Robux is known as Roblox’s primary currency by the community and staff all paid items created by ROBLOX within the catalog are sold for Robux, and user-created content like microtransactions and gamepasses also follow the same rule.
NOTE: Your Roblox account username and password are required to add Robux in your account.
