This article is a scoping review of research on cryptocurrency trading and its links to problem gambling and mental health. It also explores the demographic and personality characteristics associated with cryptocurrency trading. The authors reviewed eight studies that were published between 2019 and 2022. The authors found that more intense cryptocurrency trading is associated with problem gambling. Moreover, people who trade cryptocurrencies appear to share some demographic and personality characteristics with people who engage in high-risk stock trading and people with problem gambling. The evidence on the effects of cryptocurrency trading on mental health is mixed.