--- a/hws/hw08.tex	Thu Dec 03 13:46:18 2015 +0000
+++ b/hws/hw08.tex	Tue Jan 05 01:37:31 2016 +0000
@@ -3,6 +3,13 @@
 
 \begin{document}
 
+
+% For Alice to cheat, she has to get her transaction into the blockchain.
+% For this she has to solve proof-of-work puzzles faster than anybody
+% else. Is it possible for her to precompute several blocks that would
+% validate a fraudulent transaction by her? Give a short explanation
+% for your reasoning.  
+
 \section*{Homework 8}
 
 \begin{enumerate}