Trust that it's accurate and immutable. Which is backed in turn by economic incentives for miners (more accurately -- economic disincentives to trying to cheat

Trust that it's accurate and immutable. Which is backed in turn by economic incentives for miners (more accurately -- economic disincentives to trying to cheat). The former is denominated in bitcoin, and so represents the paradox of bootstrapping this system, but here we are (and this is why early adopters are rich now -- it was a seemingly insane risk to bet that those (positive) incentives would be effective)