Okay, so what is a good metric of centralisation here? And particularly, how does centralisation correspond to single whale dump to tank the market? Like strategy can tank BTC, can some big gold holder tank gold as well?

spiderman

bitcoin

Between gold and Bitcoin, which one has more centralised ownership?

I think gold holding is extremely decentralized at the consumer level. However, institutional gold holding makes up the large majority, mainly through central banks. It is the asset of last for governments.