I was thinking about this the other day and I thought I'll ask you, just interested in your opinions.
Post what your choice is in the comments, I will read all of them.
Bitcoin is the daddy of crypto and is the most likely to be around in 5-10 years but ETH and ADA have smaller market caps so more room to grow.
I would personally choose ETH as it can still 2x or 3x in the next few years whereas BTC may not even 2x.
Anyway thanks for reading and I wish you all lot's of success in all your investments.