Difference between revisions of "Talk:Cardano"
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== Slot leader notes == | == Slot leader notes == | ||
| − | In Ouroboros classic, slot leaders are known publicly ahead of time and there is always one slot leader per slot. In Praos, each stakeholder knows which slots they lead ahead of time. Others only find out once they publish a block. There can be multiple slot leaders for a slot or none at all. ([https://medium.com/unraveling-the-ouroboros/introduction-to-ouroboros-1c2324912193 source]) | + | In Ouroboros classic, slot leaders are known publicly ahead of time and there is always one slot leader per slot. In Praos, each stakeholder knows which slots they lead ahead of time. Others only find out once they publish a block. There can be multiple slot leaders for a slot or none at all. Praos uses a [https://en.wikipedia.org/wiki/Verifiable_random_function verifiable random function] (VRF) as it’s core randomness generating scheme. Given a private key and an input, a VRF scheme outputs a pseudo-random number and a proof. Anyone with your public key and the proof can verify that the number was produced with the given input but can’t produce the number before that time. ([https://medium.com/unraveling-the-ouroboros/introduction-to-ouroboros-1c2324912193 source]) |
Revision as of 01:01, 11 January 2020
Slot leader notes
In Ouroboros classic, slot leaders are known publicly ahead of time and there is always one slot leader per slot. In Praos, each stakeholder knows which slots they lead ahead of time. Others only find out once they publish a block. There can be multiple slot leaders for a slot or none at all. Praos uses a verifiable random function (VRF) as it’s core randomness generating scheme. Given a private key and an input, a VRF scheme outputs a pseudo-random number and a proof. Anyone with your public key and the proof can verify that the number was produced with the given input but can’t produce the number before that time. (source)
