Yes. See Vitalik&#x27;s post from last year about State Tree Pruning:<p><a href="https:&#x2F;&#x2F;blog.ethereum.org&#x2F;2015&#x2F;06&#x2F;26&#x2F;state-tree-pruning&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blog.ethereum.org&#x2F;2015&#x2F;06&#x2F;26&#x2F;state-tree-pruning&#x2F;</a>