diff --git a/source/models/Elector.py b/source/models/Elector.py
new file mode 100644
index 0000000..eaa412e
--- /dev/null
+++ b/source/models/Elector.py
@@ -0,0 +1,27 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class Elector:
+    # [
+    #     {
+    #         "name": "Bob",
+    #         "votant": (pub_key_bob, Hash(empreinte_bob)),
+    #         "mandataire": None,
+    #     },
+    #     {
+    #         "name": "Alice",
+    #         "votant": (pub_key_alice, Hash(empreinte_alice)),
+    #         "mandataire": (pub_key_Eve, Hash(empreinte_eve)), # Eve peut voter pour Alice.
+    #     }
+    # ]
+
+    name: str
+    public_key_elector: bytes
+    hashed_fingerprint_elector: bytes
+    public_key_mandataire: bytes = b""
+    hashed_fingerprint_mandataire: bytes = b""
+
+    def set_mandataire(self, public_key: bytes, hashed_fingerprint: bytes):
+        self.public_key_mandataire = public_key
+        self.hashed_fingerprint_mandataire = hashed_fingerprint
diff --git a/source/models/Proof.py b/source/models/Proof.py
new file mode 100644
index 0000000..38699ae
--- /dev/null
+++ b/source/models/Proof.py
@@ -0,0 +1,19 @@
+from dataclasses import dataclass
+from datetime import datetime
+
+import struct
+
+
+@dataclass
+class Proof:
+
+    date: datetime
+    public_key_votant: bytes
+    public_key_mandataire: bytes
+    proof_signature: bytes
+
+    def to_bytes(self):
+        struct.pack("<d...", self.date.timestamp(), self.public_key_votant, self.public_key_mandataire)
+
+        #bytes(str(ici), 'utf-8')
+        bytes(self.date.timestamp())
\ No newline at end of file
diff --git a/source/models/__init__.py b/source/models/__init__.py
new file mode 100644
index 0000000..e69de29