--- a/handouts/ho08.tex	Wed Nov 11 01:26:19 2015 +0000
+++ b/handouts/ho08.tex	Thu Nov 12 08:25:22 2015 +0000
@@ -47,16 +47,16 @@
 \noindent is signed by Satoshi Nakamoto, which however is
 likely only a pen name. There is a lot of speculation who
 could be the inventor, or inventors, but we simply do not
-know. This part of Bitcoins is definitely anonymous so far. The paper
-above is from the end of 2008; the first Bitcoin transaction
-was made in January 2009. The rules in Bitcoin are set up so
-that there will only ever be 21 Million Bitcoins with the
-maximum reached around the year 2140. Currently there are
-already 11 Million Bitcoins in `existence'. Contrast this with
-traditional fiat currencies where money can be printed almost
-at will. The smallest unit of a Bitcoin is called a Satoshi,
-which is the $10^{-8}$th part of a Bitcoin. Remember a Penny
-is the $10^{-2}$th part of a Pound.
+know. This part of Bitcoins is definitely anonymous so far.
+The paper above is from the end of 2008; the first Bitcoin
+transaction was made in January 2009. The rules in Bitcoin are
+set up so that there will only ever be 21 Million Bitcoins
+with the maximum reached around the year 2140. Currently there
+are already 11 Million Bitcoins in `existence'. Contrast this
+with traditional fiat currencies where money can be printed
+almost at will. The smallest unit of a Bitcoin is called a
+Satoshi, which is the $10^{-8}$th part of a Bitcoin. Remember
+a Penny is the $10^{-2}$th part of a Pound.
 
 The two main cryptographic building blocks of Bitcoins are
 cryptographic hashing functions (SHA-256) and public-private
@@ -674,6 +674,9 @@
 night with their Bitcoin mining. If you want to read the
 complete story, google for ``My \$2375 Amazon EC2 Mistake''.
 
+\subsubsection*{Multi-Signature Transactions}
+
+To be explained.
 
 \subsubsection*{Anonymity with Bitcoins}