15 What can be done about the no-transaction block relayer (currently 71.123.170.150)? 2012-03-31T16:21:56.437

8 Have there been reports of botnets mining Bitcoin / crypto-currencies? 2011-10-09T07:07:53.243

8 Would any of the current botnets be able to launch and sustain a 51% attack? 2011-11-12T11:11:00.760

4 Is there any evidence that the Litecoin network is significantly affected by botnet mining? 2013-03-26T02:28:39.680

0 Measuring levels of spammer participation on the Bitcoin network 2013-04-12T01:40:59.780