Sorry could you elaborate on marking a little? In what way is it different from normal P2P coin transfer? As you stated yourself Bitmark is a rather direct Bitcoin fork with Scrypt POW. But from the description I can't see what makes marking different either.
Welcome,
You have all elaborated in OP,
You just need little time to read,
All from A to Z.Link by link.
regards
Idea is here!Time will say....