diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 2de60dcd..3479022a 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -10,6 +10,7 @@
 /MD/md-4/ @l-monninger
 /MD/md-5/ @l-monninger @apenzk
 /MD/md-15/ @l-monninger @apenzk
+/MD/md-85/ @franck44
 /MD/md-93/ @andygolay
 
 ## MIPs
diff --git a/MD/md-85/README.md b/MD/md-85/README.md
new file mode 100644
index 00000000..6e43b6f9
--- /dev/null
+++ b/MD/md-85/README.md
@@ -0,0 +1,36 @@
+# MD-85: Bridge Architecture Requirements
+
+- **Description**: Elicit the requirements of the native bridge.
+- **Authors**: [Franck Cassez](mailto:franck.cassez@movementlabs.xyz)
+
+## Overview
+
+This MD summarizes the requirements of the _Native Bridge_ (bridge in the sequel).
+
+## Desiderata
+
+### D1: High-level Description of the Native Bridge
+
+**Description**: A high-level diagram of the architecture
+
+**Justification**: Provides a reference for documentation and implementation.
+
+### D2: List the expected functionalities of the bridge
+
+**Description**: A list of expected functionalities.
+
+**Justification**: Provides a reference for documentation and implementation.
+
+### D3: Elicit the trust assumptions and permissions
+
+**Description**: Provide a list of trusted systems/components and the associated permissions.
+
+**Justification**: Provides a reference for documentation and implementation and governance.
+
+### D4: Explain how the bridge transfers work
+
+**Description**: Provide sequence diagrams to explain how bridging from Move to Ethereum (and back) works.
+
+**Justification**: Explain the sequence of actions required on the chains and their ordering, to complete a bridge transfer.
+
+## Change Logs