The question "Is BitCoin future-proof?" is a duplicate of the Stack Overflow question "Is bitcoin protocol future-proof?" with only a slightly different slant, and the same answer. How should inter-site duplication like this be addressed? Clearly, the question is on-topic here and probably would even have been asked here had this site existed at the time. But it also seems odd to copy an answer from another location on SE (even if it is my own!).
All bitcoin related question should be migrated from other Stack Exchange sites to Bitcoin.SE.
This means closing the questions on other sites (/flagging a moderator to do so), and editing it or commenting that a duplicate question exists here.
I think just giving an answer with a link to the answer elsewhere until we are public and can migrate the questions is the best way to go at the moment.