The ed2k network was popular for "scene releases." The same scene group released that file on IRC, Usenet, ed2k, and BitTorrent simultaneously. The filenames are identical. You are relying on a human (the original uploader) having placed the same file on both networks.
This raises the critical question:
If you have a collection of old .ed2k links or are trying to download a rare file from an archive, you have likely hit a wall. Modern torrent clients often struggle with the ed2k protocol. Conversely, you might have a file on eMule that you wish to share via a modern tracker. Convert Ed2k To Magnet