Ok, maybe it is getting lost in translation (the point, that is)
Try something like this... written as if you expect it to be translated by babelfish...
"How long does the system wait for a withdrawal confirmation, until it expires, and returns the coin back into the account? And, can this be cancelled early?"
-- Smoov
ps: seriously, their english capabilities are atrocious... they desperately need a native englisher on their team.