Cardano Foundation

Cardano Foundation is a blockchain and cryptocurrency organisation based in Zug, Switzerland. The Foundation's core mission is to "standardise, protect and promote"​ the Cardano Protocol technology.

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

    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.

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