Just visit
https://whattomine.com/ and check all the mineable, pow coins that you will be able to mine.
I believe Solana is a POS tokens
Right, Solana isn't a pow but a pos.
I lost Bitcoin into Hashocean before
I remember that, was it a doubler or a cloud mining platform before that has also bite into dust? well, that's bound to scam people with the scheme that they offered. I don't know for OP what unminables is but it seems to be like a nicehash but I don't think that I'd go with them if ever I want to use my GPU for mining.