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I don't recommend anything other than covering your ass. ;-)

Seriously, that means doing your homework and being diversified.

What I will say is what I am doing - and that's not a recommendation - I'm building a portfolio with STEEM, SBD, BTS, BitUSD, ADA, SYS, ARK and PIVX as its core holdings, but not necessarily in that order. Other people like EOS, ETH, NEO, LTC and the like. It's hard to say what will be around in 5 year's time. I've got a lot of experience and am willing to bet on a smaller, less diversified group, but if I didn't have the knowledge base I have, I would probably include those names as well, and BTC too, just to be a little safer, and I'd probably give them all equal weighting.

Again, cover your bases!

Hello @cryptographic,

Thank you, I'll cover & diversify between Steem, Bts, Ada, Trx, Neo.

~@mywhale

Glad to be of help. It's worked very well for me!