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2019-06-28T09:48:44Z

Created page with "{{#seo: |title= Prefix hash tree. All about cryptocurrency - zaoniaoWiki |keywords=Prefix hash tree, hash, tree, prefix, PHT, DHT, structure, blockchain, function |description..."

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{{#seo:
|title= Prefix hash tree. All about cryptocurrency - zaoniaoWiki
|keywords=Prefix hash tree, hash, tree, prefix, PHT, DHT, structure, blockchain, function
|description=Prefix Hash Tree (PHT) is a distributed data structure that enables more sophisticated queries over a distributed hash table (DHT). The prefix hash tree uses the lookup interface of a DHT.
}}

A '''prefix hash tree''' (PHT) is a distributed [[data structure]] that enables more sophisticated queries over a [[distributed hash table]] (DHT). The prefix hash tree uses the lookup interface of a DHT to construct a [[trie]]-based data structure that is both efficient (updates are doubly logarithmic in the size of the domain being indexed), and resilient (the failure of any given node in a prefix hash tree does not affect the availability of data stored at other nodes).

== External links ==
*https://www.eecs.berkeley.edu/~sylvia/papers/pht.pdf ''- Prefix Hash Tree: An Indexing Data Structure over Distributed Hash Tables
*http://pier.cs.berkeley.edu ''- PHT was developed as part of work on the PIER project.
*http://www.tecnohobby.net/ppal/index.php/programacion/java/35-solucionador-de-puzzles-usando-arboles-trie-trie-trees-o-prefix-trees ''- Java implementation for searching words in a puzzle using a prefix tree.

== See also ==
*[[Prefix tree]]
*[[P-Grid]]

==Source==

[http://wikipedia.org/ http://wikipedia.org/]
[[Category:Data storage]]

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