Today, we stand to evaluate the progress of Blockchain largest exponent; cryptocurrency, and to in the end see whether its Golden Age has come and gone.
https://blog.amon.tech/is-late-to-invest-in-cryptocurrencies/
It is never too late, you just need to find option that will be the most suitable for you. For example, ETH and BTC are ready to recover, while XRP seems to reach its peak, so there is no chance of significant growth in future.