How to hide a node?

Question

Anonymity

It is necessary to hide the node so that it is impossible to determine its IP. To do this, at least, it is necessary not to make it public and register only reliable IP natures with which it works? Will this be enough?
I need to set up an Ethereum parity node, but I think bitcoind tips would be helpful too

Answer 1

1. bitcoind can work through tor
   
2. VPN tunnel with permanent external IP