--- a/handouts/ho08.tex	Tue Jun 14 11:41:16 2016 +0100
+++ b/handouts/ho08.tex	Thu Jul 14 13:07:23 2016 +0100
@@ -7,6 +7,10 @@
 %https://crypto.stanford.edu/cs251/
 %https://programmingblockchain.gitbooks.io/programmingblockchain/content/
 
+% bug in smart contracts
+% https://www.benthamsgaze.org/2016/06/17/smart-contracts-beyond-the-age-of-innocence/
+% http://hackingdistributed.com/2016/06/18/analysis-of-the-dao-exploit/
+
 \begin{document}
 \fnote{\copyright{} Christian Urban, 2014, 2015}