Editing Timeline of algorithms (section)

==2000s==
* 2000 – [[HITS algorithm|Hyperlink-induced topic search]] a hyperlink analysis algorithm developed by Jon Kleinberg
* 2001 – [[Lempel–Ziv–Markov chain algorithm]] for compression developed by [[Igor Pavlov (programmer)|Igor Pavlov]]
* 2001 – [[Viola–Jones object detection framework|Viola–Jones]] algorithm for real-time face detection was developed by Paul Viola and Michael Jones.
* 2001 – [[Distributed hash table|DHT (Distributed hash table)]] is invented by multiple people from academia and application systems
* 2001 – [[BitTorrent]] a first fully decentralized peer-to-peer file distribution system is published
* 2001 – [[LOBPCG]] Locally Optimal Block Preconditioned Conjugate Gradient method finding extreme eigenvalues of symmetric eigenvalue problems by [[Andrei Knyazev (mathematician)|Andrew Knyazev]] 
* 2002 – [[AKS primality test]] developed by [[Manindra Agrawal]], [[Neeraj Kayal]] and [[Nitin Saxena]]
* 2002 – [[Girvan–Newman algorithm]] to detect communities in complex systems
* 2002 – [[Packrat parser]] developed for generating a parser that parses [[Parsing expression grammar|PEG (Parsing expression grammar)]] in linear time parsing developed by [[Bryan Ford]]
* 2009 – [[Bitcoin]] a first trust-less decentralized cryptocurrency system is published