Detecting pump-and-dump schemes involving cryptoassets with high-frequency data is challenging due to imbalanced … balanced datasets using resampling methods and flagging a pump-and-dump from the moment of public announcement up to 60 min …

distortions created by so-called "pump-and-dump" schemes are well known, little is known about the investors in these frauds. By … examining 421 "pump-and-dump" schemes between 2002 and 2015 and a proprietary set of trading records for over 110,000 individual … sizable losses, with nearly 6% of active investors participating in at least one "pump-and-dump" and an average loss of nearly …