diff --git a/_data/signed/MoltenCoreDev.yaml b/_data/signed/MoltenCoreDev.yaml
new file mode 100644
index 000000000..79c36c340
--- /dev/null
+++ b/_data/signed/MoltenCoreDev.yaml
@@ -0,0 +1,2 @@
+name: Michał
+link: https://github.com/MoltenCoreDev