Yeah, I am across bloom-filters several times the last week's too.
Still need to grasp its application more to cases like this.
Discussion
well, i think that it's not really useful for one-off stuff like relay configurations but for distributing them it might make sense, as it saves some on bandwidth. but i'm not seeing a strong case for this. events are not that big in data size, especially not when encoded as raw binary. typically follow lists are like 1/4 or less the size of the json