I am interested in such coins as nwc, cdt and mana, what do you think of these projects? Should you buy these coins?
I really don't know about CDT and after searching on CMC, it is in thousands of ranks of CMC and only listed on small exchanges. And I am not sure that it is okay to invest in that coin. I personally will not choose this as one of the assets to hold. it is too risky.
But about NWC and also Mana coin, I think that the two are also listed on some big exchanges.
So, why should choose to buy them on small exchanges? It will be safer and better to buy the two coins on the top exchanges exactly.
See the lists of exchanges:
NWC listing exchanges:
https://coinmarketcap.com/currencies/newscrypto/markets/This coin is listed on Kucoin, Gate.io, ProBit, and some others. And you can get them on those three big exchanges at least.
And see for Mana coin ( wait, do you mean this Mana?) that is also listed on Binance?
https://coinmarketcap.com/currencies/decentraland/markets/