It is just a world-wide scaled IOU. The concept looks good to me but still need to evolve a little bit. For exemple, it would be useful to be able to differenti

It is just a world-wide scaled IOU. The concept looks good to me but still need to evolve a little bit. For exemple, it would be useful to be able to differentiate simple credit lines (negatives) offered to someone and advance/collateral that was already provided by this third party.