diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..bd03b9f5
Binary files /dev/null and b/.DS_Store differ
diff --git a/adventure/.DS_Store b/adventure/.DS_Store
new file mode 100644
index 00000000..8bb7382f
Binary files /dev/null and b/adventure/.DS_Store differ
diff --git a/adventure/BLOCKCHAIN/student001@ynov.com b/adventure/BLOCKCHAIN/student001@ynov.com
new file mode 100644
index 00000000..28378ea2
--- /dev/null
+++ b/adventure/BLOCKCHAIN/student001@ynov.com
@@ -0,0 +1,5 @@
+unix
+Perso
+DataEng/BI
+DataEng/BI
+Créé une blockchain de 0 sans utiliser un repos ou on connait pas le contenue, start from scratch, construire, stocker et requeter, pas de logiciel libre ou quoi que ce soit, blockchain local avec VM a la limite