TradeHandler could be xxxx considering that there are companies and crypto is popular.
Approach them! This might be the right time. Also, remember, these companies have deep pockets. So, low xxxx I would believe.
OverUses.com - I find this one good! But no other extension taken. Also, the buyer variety could be huge and not specific which I would consider negative. Go for auction for this one! Might fetch fair price whatever it is!
CryptoCer.com - No idea what that means. $0 or else if someone makes a coin out of it, you get lucky maybe!