What do you believe to be the best privacy coins (excluding Monero) ?
P.S: I'm not asking for financial advise and I'm not looking for the next 100x, it's about the level of reliability and safety those coins can offer.
The founder of Monero sat down and think for a minute before that architecture of privacy was formulated and till today, there is no any coin that is proven to be so privacy like Monero with ticker name XMR, perhaps there is one around the market that weren't aware for now but there is none for now. If you are want privacy so much and your country don't go against using it, I will advise you to go got XMR for good and maximum privacy.
If you are searching for a privacy coin that will 100x, I will be surprised if you see anyone because many countries are restricting transaction of privacy coins, they fear that people are going too deeply and for the fact that hidden things contribute to criminalities, they don't want their people to invest in such coin. So, I don't think there is any privacy coin that will give you such return, they don't have hype like other coins in the market.
Why not try some other good tokens instead of privacy coins since you are investing to resale them in the future and not any use case. We have other coins that can give you more than what privacy coins will give you when it comes to ROI than the use case.