The OFF-System is a peer to peer networking system that is using a different approach than darknets like Freenet. Darknets anonymize user data while the Off-System creates randomized multi-used data blocks which means that it is not possible to map a data block to a single file on the network.

To retrieve data from the peer to peer network one would need to download all required blocks plus the so called retrieval url which is created when files are added to the network. Each block on its own is nothing but a set of random data which means that this data is not copyrighted by anyone.

The developers have a multi-page article on their website describing it in great detail. Users on the other hand can simply download the Open Source client of the Off-System which comes with a comfortable search function build in.

The options are quite extensive ranging from incoming and outgoing filters, security settings like trusted nodes to networking and advanced options. There is usually a overhead involved when replicating files which can range from a 50%-200% file increase on the receiving end.

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