\subsection[Relay]{Relay} \input{decentralisation/relay.tex} \subsection[Sidechains]{Sidechains} \input{decentralisation/sidechains.tex} \subsection[HLTC]{Hash Lock Time Contract} \input{decentralisation/htlc.tex} \subsection[offChain]{Échanges \textit{off chain}} \input{decentralisation/offChain.tex}