P2P   A reference tool for bittorrents and other peer-to-peer data transfer.


what is...
A hash is a small amount of data that describes a large amount of data. (More precisely, a hash is a set of bits whose values are a function of all of the bits in a larger block of data) If the large amount of data changes just a little bit, the representative hash changes a lot. Hashes are used to verify that the parts of a file downloaded by a bit torrent client have not been damaged. Hashes are also used to distinguish different files.

    Courtesy of the P2P Glossary
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