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Proof of stake
CryptoManiac edited this page Feb 17, 2014
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Proof-of-stake is term referring to the use of currency itself (ownership) to achieve certain goals. In the NovaCoin proof-of-stake is used to provide mining and transaction processing on a par with proof-of-work.
Novacoin uses the Coin-Age concept to provide proofs of the stake. The proof-of-stake difficulty is adjusted so as to limit the rate at which new blocks can be generated by the network to 10 minutes target spacing rate. Due to the very low probability of successful proof generation, this makes it unpredictable which worker computer in the network will be able to generate the next solution.