Sure you could. The baseline idea is exactly the same, you only changed the medium upon which your proof stands. I am not sure if twitter (or any proprietary s

Sure you could. The baseline idea is exactly the same, you only changed the medium upon which your proof stands. I am not sure if twitter (or any proprietary social network) is good enough for this specific use-case. The blockchain seems to me, to be more reliable, although more complex. But the procedure (and complexity) can be automated (hidden).