The term "glitching through walls" in Roblox refers to a technique where a player can go through solid objects like walls or floors that are not intended to be traversed by the game's collision ...

If players lose their Robux, in-game items, and accessories due to the hacking, their accounts might be eligible for a one-time account recovery. Roblox will restore the users' stolen inventories.

According to the Roblox wikipedia, as of August 2020, Roblox had over 164 million monthly active users. Many of the games users are aged under 16 in the United States. Who Is John Doe?

Roblox ultimately discovered that someone had hacked a single server of the game, allowing them to circumvent the rules and upload code that clearly violated the company's rules.

Yes, that happened. Roblox, a hugely popular online game for kids, was hacked by an individual who subverted the game’s protection systems in order to have customized animations appear.