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What is a bit torrent info hash?

Updated: 11/6/2022
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14y ago

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Each torrent has a unique fingerprint called a "hash" or "info hash".

This info hash is used to ensure that the completed download of the content associated with a torrent will be uncorrupted.

The content in a torrent is broken down into pieces, or "bits", for transfer.

Each piece has its own hash and its hash is compared to the info hash of the torrent.

If the hashes match, then the piece is accepted as part of the download.

If the hashes do not match, then the piece is rejected.

The info hash ensures that the completed download will be uncorrupted and also ensures that malware can not be injected into an otherwise clean torrent.

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What is a hash fail in a torrent?

Each torrent has its own unique fingerprint called a "hash". The content in a torrent is broken down into pieces or "bits". Each bit comes with its own hash. While a torrent is downloading, each piece of the content is subjected to a "hash check", where the hash of the piece is compared to the hash of the torrent to verify its integrity. A "hash fail" is where the piece's hash fails to match the hash of the torrent. This usually is due to a corruption in transfer. The hash check is one of the best features of bittorrent as it ensures that the completed download will be uncorrupted and prevents anyone from injecting any malware into a clean torrent. A small amount of hash fails on a torrent is normal.


What is a hashfail on bittorrent?

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