I have a question about op_ctv related to the requirement to specify the number of inputs. I don't quite see why its necessary, but most importantly, I don't see why we want to *require* the user of the op to specify the number of inputs, tho I see the reasoning why one would want to specify it. If the op allowed both cases (specifying a number of inputs and allowing any number), it seems like the best of both worlds. I started a discussion on bitcointalk.org: