if the price is just >0, how are miners incentivized to secure the network? also re mining it seems inadvisable to continue to do sha256 since hash is likely to be negligable, the network would be trivial to attack and with no confidence nobody would use the network and since nobody is using the network it isnt private maybe its a question of details wherea would be price end up? exactly what privacy preserving techniques? etc but basically id say a private version of btc does not make *good enough* tradeoffs to disrupt xmr and zec