A movement to ban TikTok in the U.S. is growing over cybersecurity concerns. Nearly 20 states — including Texas, Maryland and Utah — have banned the social media app from government-issued devices. The U.S. Senate unanimously approved a bill last week that would ban the platform from devices issued by federal agencies. The video-sharing app, owned by the Chinese company ByteDance, soared to popularity since its debut in 2016. It now has more than 100 million users in the U.S. alone. But state and federal authorities have sounded alarms over cybersecurity and the potential for espionage by China. What is…