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Ouroboros (blockchain)

Ouroboros (blockchain)

Ouroboros is a proof-of-stake blockchain protocol.

Ouroboros is a proof-of-stake and proof-of-security blockchain protocol developed by Aggelos Kiayias, Alexander Russel, Bernardo David, and Roman Oliynykov. The protocol begins in a "static stake" in which the leaders are assigned proportional blockchain slots based on their initial stake. once the initial stake of the leaders is set, each leader is assigned an effective stake which proportionally sets the protocols distribution during its execution. 



The Ourobus blockchain protocol is proven to be secure against delayed adaptive corruptions. The protocol protects against delayed adaptive corruptions because block leaders are selected by weighting public keys and through using a sender anonymous broadcast channel provided by diffuse functionality that eliminates the delay between block user selections that are susceptible to delayed adaptive corruptions. 

Timeline

People

Name
Role
LinkedIn

Aggelos Kiayias

Developer



Alexander Russel

Developer



Bernardo David

Developer



Roman Oliynykov

Developer



Further reading

Title
Author
Link
Type
Date

Introduction To Ouroboros - Unraveling the Ouroboros - Medium

LLFOURN

Web



Ouroboros: A Provably Secure Proof-of-Stake Blockchain Protocol

Aggelos Kiayias, Alexander Russell, Bernardo David, Roman Oliynykov

Academic paper



Documentaries, videos and podcasts

Title
Date
Link

IOHK | Dr. Peter Gaži, presenting Ouroboros at MIT.

March 13, 2018

IOHK | Ouroboros Genesis: A Provably Secure Proof-of-Stake Blockchain Protocol

April 26, 2018

Op Ed: A Cryptographic Design Perspective of Blockchains: From Bitcoin to Ouroboros

22 August 2017

Companies

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CEO
Location
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References