> In my understanding of the block universe, causality doesn't really exist That's one way of interpreting it, but superdeterminism does not entail or require

> In my understanding of the block universe, causality doesn't really exist That's one way of interpreting it, but superdeterminism does not entail or require this. Superdeterminism can be formulated just fine for a universe that evolves in time from some initial state according to causal processes.