I&#x27;m not at all associated with the Cockroach folks, but I&#x27;m pretty sure they actually do use MVCC, and the description they gave in this post is a simplification of the actual implementation. At least, there are a bunch of references to MVCC in their codebase: <a href="https:&#x2F;&#x2F;github.com&#x2F;cockroachdb&#x2F;cockroach&#x2F;tree&#x2F;master&#x2F;storage&#x2F;engine" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;cockroachdb&#x2F;cockroach&#x2F;tree&#x2F;master&#x2F;storage...</a>