Yes, a torrent system based on Datacoin would be amazing, even though there is other alternatives. It is worth it because it is raw data in the blockchain, not metadata.
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In order to have a censorship protected torrent catalog we have to store database that consists of entries of the following structure:
1. magnet link
2. creative work metadata (movie title, actors, ...)
3. torrent metadata (video quality, video length, codec, ...)
Creative work metadata are widely presented in the Web and I don't think we have to copy them into the blockchain. We can use linked data instead: links to wikidata/imdb/rottentomato/... and to other data we can download and parse easily.
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Technically this is enogh to rebuild a very rich media database on each PC having blockchain downloaded: all details can be requested from wikidata, imdb and other external sources.
User can browse and query such a database locally by title, actors' names, video quality, audio language etc. Clicking on magnet link he will start a download with his torrent client.
This work will require a lot of manual work to establish relations between magnet links and wikidata/imdb/rottentomatos/... databases because existing TPB data are very unstructured. Volunteers doing this work can be compensated in DTC by commutiny.
Any thoughts?
good idea, tough rating is needed for torrents.