Friday, January 30, 2015

[lzabbkeh] Censoring online content

Method 1: Attack directly: force the content to be taken down.
Method 2: Indirectly attack: disrupt the various internet links on the way to the content, e.g., DNS, ISP.
Method 3: Directly attack the search engine: force it to remove the content from its index.
Method 4: Indirectly attack the search engine: populate it with irrelevant results for the search keyword so that the content to be censored is hard to find.

Method 3 is only successful because there is monoculture in the search engine industry: the near monopoly of Google. It seems the most easily fixable.  But search engines are natural monopolies.  Ideally we want some distributed search engine.

Create a search engine (perhaps hosted as a Tor hidden service) that lists submitted content only if the content can be proven to have been blacklisted by Google.  This might be easy.  (Or accepts payment, probably cryptocurrency, though generic proof of work might be sufficient.) Not clear what to do if someone wants to submit a collection of documents, perhaps an entire site.

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