As far as I can tell this is the only coin that does actual trustless atomic trading between separate chains.
I read somewhere Dan did the first trade almost a year ago. Surprising it's taken this long to start getting recognition.
We weren't happy with the implementation.
We've effectively built this thing three times, and now the security approach is where we want it to be, and the architectural direction is clear (i.e. how to best function as infrastructure for the token ecosystem).