Sort:  

They seem to be the most legit one i've looked into. Contracts are always sold out though. But at least they aren't selling more contracts than they can mine. Hope it continues to be profitable for you.

Coin Marketplace

STEEM 0.20
TRX 0.20
JST 0.034
BTC 89557.69
ETH 3064.76
USDT 1.00
SBD 2.96