Download here : Ouroboros: A Provably Secure Proof-of-Stake Blockchain Protocol
Source : https://eprint.iacr.org/2016/889.pdf
Extract from Abstract
Author Details
Aggelos Kiayias at university of Edinburgh and IOHK,akiayias@inf.ed.ac.uk
Alexander Russell ,University of Connecticut,acr@cse.uconn.ed
Source : https://eprint.iacr.org/2016/889.pdf
Extract from Abstract
We present “Ouroboros”, the first blockchain protocol based on proof of stake with rigorous security guarantees. We establish security properties for the protocol comparable to those achieved by the bitcoin blockchain protocol. As the protocol provides a “proof of stake” blockchain discipline, it offers qualitative efficiency advantages over blockchains based on proof of physical resources (e.g., proof of work). We also present a novel reward mechanism for incentivizing Proof of Stake protocols and we prove that, given this mechanism, honest behavior is an approximate Nash equilibrium, thus neutralizing attacks such as selfish mining. We also present initial evidence of the practicality of our protocol in real world settings by providing experimental results on transaction confirmation and processing.
Author Details
Aggelos Kiayias at university of Edinburgh and IOHK,akiayias@inf.ed.ac.uk
Alexander Russell ,University of Connecticut,acr@cse.uconn.ed
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