BotSlayer Screenshots (IMAGE) Indiana University Caption The upper image from BotSlayer shows a group of bots retweeting two impostor accounts to promote a cryptocurrency, a common "pump-and-dump" scheme used to artificially boost the currency's value. The lower image shows a visualization of this activity in Hoaxy. Credit Indiana University Observatory on Social Media Usage Restrictions Credit Indiana University Observatory on Social Media License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.