Periodicity in the Ap index of geomagnetic activity, F10.7 index of solar activity and the number of transactions of 8 cryptocurrencies were identified during 2009-2024 in the range of 0.1-5 years. A close relationship between their periods in space weather and cryptocurrencies was established. Of particular interest are the cycles of 0.9; 1.3-1.4; 1.7-1.8 years, which were not included in economic studies, but were found in the space weather and the number of transactions of most cryptocurrencies.
Grigoriev et al. (Sun,) studied this question.