Proof-of-Stake is nothing new, and it has serious problems: <a href="https:&#x2F;&#x2F;en.bitcoin.it&#x2F;wiki&#x2F;Proof_of_Stake" rel="nofollow">https:&#x2F;&#x2F;en.bitcoin.it&#x2F;wiki&#x2F;Proof_of_Stake</a>. There are good reasons why Bitcoin uses &quot;wasteful&quot; proof-of-work.<p>Bitcoin is the only Blockchain implementation that has gained any kind of traction, and that is due to the incentive model working out. People just don&#x27;t like it because it challenges their economic worldview.