The point, then, is that it is the code that matters, even if one party later says "oh, this isn't what I meant". That's the _point_ of using a "hard" blockchai

The point, then, is that it is the code that matters, even if one party later says "oh, this isn't what I meant". That's the _point_ of using a "hard" blockchain as opposed to transactions that can be subjected to the judgement of "soft" people even after they have taken place.