But choosing the same basket as XDR would still satisfy that goal, and picking different currencies would be a trivial difference. And if that's the extent of

But choosing the same basket as XDR would still satisfy that goal, and picking different currencies would be a trivial difference. And if that's the extent of the idea, the parent could have just said so, rather than taking on this coy mystique of "oh, I'd reveal my deep insight, but, novices like you have to do the research and figure it out yourself, else you won't be ready for it".