Here&#x27;s a start: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=n0fHpQV9wHo" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=n0fHpQV9wHo</a><p>tldr: longer reorgs and less energy mean less security. Which, is presumably the reason to even use a blockchain