I dont know. I hope it will be the first, but i think in best case something between. And Zero is Highlight unlikely. Even the shittiest failed scamshitcoins trade over Zero after collapsing :D there will always be some guys running the network and Protokoll. Maybe at some cents but never Zero i think. But personally i am really exited about future halvings, what will happen, if all will be enough. Also i dont think btc will used as Main currency in the Western World, more like a hard Asset to Back up liquidity