Twitch's channel-boosting feature has been around since December 2020. It initially worked using free channel points that were pooled by viewers during Community Challenges. The boost reward promoted streams to highly visible parts of Twitch, allowing more people to discover streamers, their content, and their community.
https://www.techspot.com/news/94016-twitch-stops-paid-promotion-feature-after-porn-appears.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/94016-twitch-stops-paid-promotion-feature-after-porn-appears.html?utm_source=dlvr.it&utm_medium=blogger