of the top 50 volume networth in coinmarketcap,
the below coin is not listed in polo

Emercoin
Waves
DigixDAO
Tether
YbCoin
Agoras Tokens
SARCoin
MUSE
FedoraCoin
Xaurum
SolarCoin
Yocoin
VPNCoin
BlackJack
Feathercoin

do they have anything in common?