Proof of stake: Difference between revisions - Wikipedia

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'''Proof of stake''' ('''PoS''') is a type of algorithm by which a [[cryptocurrency]] [[Blockchain (database)|blockchain]] network aims to achieve [[Consensus (computer science)|distributed consensus]]. In PoS-based cryptocurrencies the creator of the next block is chosen via various combinations of random selection and wealth or age (''i.e.,'' the stake). In contrast, the algorithm of [[Proof-of-work system|proof-of-work]]-based cryptocurrencies such as [[bitcoin]] uses [[Bitcoin network#Mining|mining]]; that is, the solving of computationally intensive puzzles to validate transactions and create new blocks.