How to Prune a Node to Nothing

A nodes ability to contribute to the health of the overall network is roughly directly proportional to how many full valid blocks it has. Udi's right from a practical standpoint, you could prune your node to nothing. There's enough of us out here like me and Udi who will hold a full copy of the chain. I do it because on the data fiend with that said, there's no judgment. And Bitcoin security model is built around the premise that this chain of hashes produces greater resistance to modification the longer it grows.