We are in bubble mode right now and most of coins are over-pumped.
In your opinion, which crypto-asset on the market today is less overpriced compared to real long-term opportunity? Is there any project with strong technical development and low level of PR / promotion?
If you mean priced far below their potential and overlooked because of a super low profile, for a variety of reasons , I submit
https://spectreproject.io/Way below everyones' radar ....but is currently the 4th best performing ico ever......
https://icostats.com/roi-since-icoYeah,yeah I know....xspec who? Name another coin that
runs on the TOR network + OBFS4.
it's here....now.....
Well its definately has more features than other ANNON coins
you can look a comparison chart here

I guess if some coin could implement "Onion" in its name it is Spectre:)
The only downhill is a short list of exchanges