Hi Billy,
Restricting the number of inputs is necessary to preclude TXID
malleability. Committing to all of the information required necessitates
that the number of inputs be committed.
This allows us to build non-interactive layer 2 protocols which depend on
TXID non-malleability (most of them a
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
