Money laundering only applies when the money is obtained illegally in the first place. Also, Zerocoin doesn't have a network to itself, it functions within the

Money laundering only applies when the money is obtained illegally in the first place. Also, Zerocoin doesn't have a network to itself, it functions within the existing bitcoin block chain. Bitcoin explicitly allows for creating alternate ways of defining who can spend a coin, this is simply one such alternate way.