To partially answer my own question, there&#x27;s a Crypto Currency Security Standard, with Level 2 claiming on preventing solo internal attacks.<p><a href="https:&#x2F;&#x2F;cryptoconsortium.github.io&#x2F;CCSS&#x2F;" rel="nofollow">https:&#x2F;&#x2F;cryptoconsortium.github.io&#x2F;CCSS&#x2F;</a>