diff --git a/.swiftpm/xcode/package.xcworkspace/xcuserdata/vbodinaud.xcuserdatad/UserInterfaceState.xcuserstate b/.swiftpm/xcode/package.xcworkspace/xcuserdata/vbodinaud.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..76b8db7
Binary files /dev/null and b/.swiftpm/xcode/package.xcworkspace/xcuserdata/vbodinaud.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/Sources/Blockchain/Models/Account.swift b/Sources/Blockchain/Models/Account.swift
new file mode 100644
index 0000000..14b5d0b
--- /dev/null
+++ b/Sources/Blockchain/Models/Account.swift
@@ -0,0 +1,13 @@
+//
+//  File.swift
+//  
+//
+//  Created by Victor BODINAUD on 31/03/2021.
+//
+
+import Foundation
+
+class Account {
+    var id: String
+    var balance: Int
+}
diff --git a/Sources/Blockchain/Models/Transaction.swift b/Sources/Blockchain/Models/Transaction.swift
new file mode 100644
index 0000000..681971f
--- /dev/null
+++ b/Sources/Blockchain/Models/Transaction.swift
@@ -0,0 +1,15 @@
+//
+//  File.swift
+//  
+//
+//  Created by Victor BODINAUD on 31/03/2021.
+//
+
+import Foundation
+
+class Transaction {
+    var sender: String
+    var receiver: String
+    var amount: Int
+    var type: String
+}