HIGHLIGHTS
- who: Quantum computing and collaborators from the School of, University of, Canterbury, NF, United Kingdom have published the research: Kent Academic Repository, in the Journal: (JOURNAL)
- what: The authors focus on the PoW mechanisms of blockchains. The authors show that quantum computers give a quadratic advantage in PoW efficiency; not just for all existing protocols but for any possible PoW protocol that relies on computational work being done. The authors explore these questions in Section 4. The authors discuss how this advantage can be used in adversarial situations, i.e. in cyberattacks against a cryptocurrency . . .
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