If you read some of the backposts you can see that there are problems with the miners. Because of some flaw in the system they can steal the coins from masternodes or something like that. The problem is being dealt with so i understand. This is probably the reason why chaincoin is going down in value also. I bought 1000 coins now because if the problem is solved i want to start a masternode also.
Masternode payments are not enforced so miners can choose if they want to pay masternodes or not. It is a nasty problem because that same group of miners can prevent the fork that would fix the problem if they continue to have majority of the hashing power. Devs are working on a fix but since they have different views on how it is to be fixed and have to be absolutely certain that the solution will work it will take some time maybe even a month or two before the fork is rolled out. It is a coin flip. On one side everything works great and coin hits ATH ($10) in couple of months on the other side something goes horribly wrong with the fork and coin is in serious problems.