\section{Χαρακτηριστικά που υλοποιήθηκαν} \label{section:4-6-implemented-parts}

TODO: add references to use cases implemented with screenshots of application
TODO: add unimplemented parts like serve (front and contracts) thru IPFS, upgradability

\subsection{Διαφορές σχεδιασμού-υλοποίησης} \label{subsection:4-6-1-design-implementation-differences}

TODO: add diagram with colors
TODO: add differences in architecture