Like YouTube, Roblox started as an online stage for young creators. As the company grows toward 100 million active daily users, contributors are making big money selling games.

Roblox will scan video selfies of teens to assess their ages as part of a new Trusted Connections feature that gives users access to unfiltered chatting with people they know.

Long plagued by moderation issues, the platform recently released a series of updates aimed at improving the experience for kids. Experts worry they could have the opposite effect.