Just what kind of an operation is Twitter running here? It seems crazy that they don't have any kind of anti-abuse system in place that could just block tweets with this specific Bitcoin address or possibly tweets matching the regexp of any Bitcoin address. I.e. limit the damage and buy a couple of hours while they try to find the root cause.

(Yes, yes, staged rollouts. But anti-abuse systems don't work by those rules, at least in emergencies.)