As long as your crypto investments don’t stand in the way of your other financial goals and you’ve only put in what you’re ultimately OK with losing, Yang recommends using the same strategy that works for all long-term investments: set it and forget it.
Overall, it appears from these results that cryptocurrencies may experience short term intervals of co-movement, caused by sector wide news or cross market contagion, though correlation is likely to change dependent on the nature of the causal event and market environment. In the medium and longer term Bitcoin and Litecoin are strongly related; it is believed this is due to their similarity.

Cryptocurrency — also known as crypto — is a digital currency designed to work as a medium of exchange. It uses cryptography to secure and verify transactions, as well as to control the creation of new units of a particular digital currency.
It can in addition be observed from Fig 7 that as the period band considered increases, the overall (bubble and non-bubble) coherence values generally get stronger, suggesting online factors have a medium to long term link with price.