center images

thesis/content/03-related-work/akasha.tex

@@ -15,8 +15,9 @@ With the announcement of the web version, the team behind AKASHA also released p
 	\item \textbf{Karma} is not a state, but rather a score tracking user contributions. For every unit of Essence collected, the user receives also Karma. Karma is used for defining milestones, thresholds and unlocking functionality within the dapp.
 \end{itemize}
 
-\begin{figure}[h]
-	\includegraphics[width=1.0\textwidth]{aeth-flow}
+\begin{figure}[h!]
+	\centering
+	\includegraphics[width=0.8\textwidth]{aeth-flow}
 	\label{fig:akasha-aeth-transitions}
 	\caption{AETH flow}
 \end{figure}

thesis/content/03-related-work/peepeth.tex

@@ -8,7 +8,8 @@ In order to keep transaction fees low, the actions executed on Peepeth are colle
 
 While the Smart Contracts are open source, the front end is closed source. So it is impossible to understand what is happening on the server hosting the front end Peepeth.com. Image files are not only stored in IPFS but also mirrored at Amazon AWS to provide a better user experience. Basically, the client does not communicate directly with IPFS, but the server behind the front end communicates with the two back end technologies IPFS and Ethereum Blockchain, as shown in Figure \ref{fig:peepeth-architecture}.
 
-\begin{figure}[h]
+\begin{figure}[h!]
+	\centering
 	\includegraphics[width=1.0\textwidth]{peepeth-architecture}
 	\label{fig:peepeth-architecture}
 	\caption{Peepeth architecture}