So what is DarkSend+? DarkSend+ is the latest implementation of the technology behind Darkcoin, but what does it actually do? Youve probably heard that it is basically an implementation of CoinJoin, a mixing process originally proposed by G. Maxwell. However, over the past 6 months, Evan Duffield, the main developer of Darkcoin, has tried several variations of mixing coins and finally come up with a simple yet elegant system that truly hides all aspects of a transaction.