Exchanges do not work! Input XP does not work! XP is not credited to the account of coinexchange! 
I just traded XP on coinexchange an hour ago, worked just fine for me.
It works fine that Coinexchange.io is one of the most stable exchanges i have been using it for a while never had a problem.
Ecли y вac вoзникли пpoблeмы c вaшими дeпoзитaми мoнeт c мoдeлями XP, пoпpoбyйтe этo peшeниe, a зaтeм пoпpoбyйтe cнoвa oтпpaвить cвoи мoнeты нa биpжy. Извинитe зa пepeвoдчик Google.
https://bitcointalk.org/index.php?topic=2313170.msg27680583#msg27680583
I hope this helps. Sorry again about the shitty google Russian translation.