Blockchain Consensus Algorithm: PoW, PoS and Beyond

7 min read


One of the most critical aspects to understand blockchain – its speed, applications, and potentials is consensus algorithms. It determines everything from network security, confirmation speed, to environmental friendliness. As crucial as it is, few comprehend how such a dynamic concept works in practice; and among the most misunderstood aspects include just how new blocks of information are securely added to the ledger, considering no centralized authority is engaged to maintain the integrity of the network. As a recap from an earlier post, blockchain provides a way for transactions to be ordered and verified in a distributed ledger, and ultimately provides…...

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Dr Justin Chan Dr Chan founded (DDI) and is the CEO for JCube Capital Partners. Specialized in strategy development, alternative data analytics and behavioral finance, Dr Chan also has extensive experience in investment management and financial services industries. Prior to forming JCube and DDI, Dr Chan served in the capacity of strategy development in multiple hedge funds, fintech companies, and also served as a senior quantitative strategist at GMO. A published author at professional journals in finance, Dr. Chan holds a Ph.D. degree in finance from UCLA.