What is the motive behind private trackers?

vilibix535@sh.itjust.works to Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ@lemmy.dbzer0.com – 31 points –

If piracy is moral and ethical and enables us to share knowledge, why do private trackers gatekeep this knowledge? It goes against the principles of piracy. Do they do it just to feel superior about bring in a sekrit club?

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It's fairly trivial to craft a dummy file that has the same hash as any given file, the chance of that happening randomly is infinitesimal, hence the usefulness of hashing, but it has been done in the past as a way to poison torrents.

This is FUD. There is no publicly known pre-image attack against SHA1, the hash used in mainline DHT.