Just in case anyone wanted to know ARCO is traded and staked at btcpop.co You will need to sign up if you could use my link it would be cool https://btcpop.co/Home/23560/bitcointalk once your signed up all you need to do is deposit your coins and they will start staking no waiting due to the pool. https://btcpop.co/Exchange/ARCO  Might seem like spam but not intended just informing of a different exchange which i noticed is not listed any where on top of the fact that they stake you coins unlike other exchanges which am sure keep your stake. Thanks and hope this helps someone.