I'm having same problem. Transaction sent 18/01/2018 still 0/20 confirmations.
Your transaction (txid from coinexchange.io) is displayed on explorer.machinecoin.org??
No, it's not on explorer.machinecoin.org
txid= 7eaec691d038e3d596ab0a86088d49eb8164926fc7cd9410e19497044725ef4d
Opened a ticket on Cryptopia, but I had no news about it