No it's not too late. There is still so much room to grow fir cryptocurrencies.
The question is, "Is it too late to buy bitcoin?"... for ordinary people like me, I think it's too late to buy and/or invest on Bitcoin as its price is too high these days unlike years before where you can even ask a friend to give you even 5 BTC
Bitcoin value: $0.07 - July 18, 2010
Bitcoin value: $0.96 - February 9, 2011
Bitcoin value: $5.70 - February 11, 2012
Bitcoin value: $47.41 - March 11, 2013
Bitcoin value: $717.83 - February 7, 2014
Bitcoin value: $275.07 - January 4, 2015
Bitcoin value: $431.76 - January 14, 2016
Bitcoin value: $726.36 - November 9, 2016 - Donald Trump Elected as President, Market Plummet
Bitcoin value: $1020.47 - January 3, 2017 - Bitcoin price breaks $1000 for the first time in 3 years