Re:A from-scratch tour of Bitcoin in Python
by wyager on Tuesday June 22, 2021 @05:18PM
(#27597349)
Proof of stake lacks the security properties of proof of work, e.g. via grinding attacks.
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Re:A from-scratch tour of Bitcoin in Python
by AlexCoventry on Tuesday June 22, 2021 @10:50PM
(#27600251)
Grinding attacks aren't a problem if you include secure verifiable randomness in the protocol. E.g., Algorand's VRF-based sortition, or Ethereum 2.0's verifiable delay function.