Technological developments are increasing rapidly. This encourages increase the number of investors, especially in cryptocurrency. Investment decision considerations are influenced by investor behavior, including attitude, subjective norms, herd behavior, overconfidence, perceived risk, financial literacy, and investment intention. The purpose of this study is to determine the factors of financial behavior that influence investment decisions. The sampling technique used is snowball sampling by distributing questionnaires to Indonesian investors who are currently/already using cryptocurrency. Data was analyzed using the PLS-SEM method. The samples used as test material were 274 respondents who are currently or have used cryptocurrency. The results state that attitude, overconfidence, financial literacy, and investment intentions have a significant influence on investment decision variables. Future research is expected to be able to add other variables. The object of research used by the author is only in the territory of Indonesia. Therefore, the authors suggest that it can expand the object of research so that it can strengthen the results of the research. Most of the previous studies used quantitative methods in obtaining data. Thus, future research is expected to be able to expand the object of research so that it can strengthen the results of the research and use mixed methods, quantitative and qualitative methods (interviews and questionnaires).