diff --git a/src/storage.rs b/src/storage.rs
index 4d0325f..b4af599 100644
--- a/src/storage.rs
+++ b/src/storage.rs
@@ -1,2 +1,2 @@
-pub mod dex_db;
-pub mod nvs;
+pub mod cardstore;
+pub mod settings;
diff --git a/src/storage/cardstore.rs b/src/storage/cardstore.rs
new file mode 100644
index 0000000..d0109f1
--- /dev/null
+++ b/src/storage/cardstore.rs
@@ -0,0 +1,16 @@
+use alloc::collections::HashMap;
+use esp_hal::storage::FlashStorage;
+
+use crate::card::model::NfcPayload;
+
+const MAX_CARDS: usize = 20000;
+
+struct CardStorage {
+    allocation_table: HashMap,
+}
+
+impl CardStorage {
+    fn get_card_by_uuid(uuid: &str) -> NfcPayload {}
+
+    fn get_card_by_position(position: usize) {}
+}
diff --git a/src/storage/dex_db.rs b/src/storage/dex_db.rs
deleted file mode 100644
index acd61ed..0000000
--- a/src/storage/dex_db.rs
+++ /dev/null
@@ -1 +0,0 @@
-// Storage dex_db module
diff --git a/src/storage/nvs.rs b/src/storage/nvs.rs
deleted file mode 100644
index 5c63f41..0000000
--- a/src/storage/nvs.rs
+++ /dev/null
@@ -1 +0,0 @@
-// Storage nvs module
diff --git a/src/storage/settings.rs b/src/storage/settings.rs
new file mode 100644
index 0000000..e69de29