On Saturday, an update to the Digitalcoin wallet has been released, called DigitalCoin V0.2. This is a mandatory update, which has to be downloaded by all users and pool operators in the next two weeks, because there are some important changes coming.
The main feature of this update will be to ward off multipools’ so called “exploiting” of the profitability, also knows as “dumping” among most miners. This means that, pool like Multipool.us and Middlecoin.com divert all their combined hashpower to the most profitable coin, mine during a lower difficulty, and then bail out again when the difficulty increases.
This may sound like what most of us might be doing anyway, we all want to mine the most profitable coin , but only when it’s actually most profitable. Now, if you are doing this as individuals, it doesn’t impact the overall network of that coin too much. Afterall, more mining power means a wider spread of the network, which also strengthens it. So, why is this an issue with multipools, you may wonder? Well, that explanation is quite simple, yet slightly different for both aforementioned pools. Let’s start off with Multipool.
Read more here:
http://www.cryptocoinsnews.com/2013/09/09/digitalcoin-update-attempts-to-ward-off-multipools/