udo unzip Maxcoin-linux64.zip
Archive:  Maxcoin-linux64.zip
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
unzip:  cannot find zipfile directory in one of Maxcoin-linux64.zip or
        Maxcoin-linux64.zip.zip, and cannot find Maxcoin-linux64.zip.ZIP, period.