Roblox is one of the world’s most popular kids’ games, but lawsuits around the country allege predators are hiding in plain sight.

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.

Michael is a former senior editor of investing and trading products for Investopedia. He has 20+ years of mutual fund, macro market research, institutional trading desk, and trading education ...