diff --git a/src/main/java/eu/creeper/mc/creeperPit/Main.java b/src/main/java/eu/creeper/mc/creeperPit/Main.java
index 6afe252..794548a 100644
--- a/src/main/java/eu/creeper/mc/creeperPit/Main.java
+++ b/src/main/java/eu/creeper/mc/creeperPit/Main.java
@@ -4,6 +4,8 @@ import eu.creeper.mc.creeperPit.worldguard.Handler;
 import eu.creeper.mc.creeperPit.worldguard.Region;
 import eu.creeper.mc.creeperPit.worldguard.WGManager;
 import org.bukkit.*;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -14,6 +16,7 @@ import org.bukkit.inventory.PlayerInventory;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
+import eu.creeper.mc.creeperPit.config.CFGInit;
 
 import java.util.Objects;
 
@@ -27,6 +30,7 @@ public final class Main extends JavaPlugin implements Listener {
         Bukkit.getPluginManager().registerEvents(this, this);
         Bukkit.getPluginManager().registerEvents(new Handler(), this);
         registerRegions(world);
+        initConfig();
     }
 
     private World getMainWorld() {
@@ -126,4 +130,30 @@ public final class Main extends JavaPlugin implements Listener {
         player.setHealth(20.0);
         player.setFoodLevel(20);
     }
+
+    private void initConfig() {
+        CFGInit cfgInit = new CFGInit(this);
+        cfgInit.itemShop.save("[]");
+        cfgInit.effectShop.save("[]");
+
+        FileConfiguration wgCfgFile = cfgInit.worldguard.get();
+        ConfigurationSection globalSection = wgCfgFile.getConfigurationSection("global");
+        if (globalSection == null) {
+            globalSection = wgCfgFile.createSection("global");
+
+            //coord
+            globalSection.set("x1", true);
+            globalSection.set("y1", true);
+            globalSection.set("z1", true);
+            globalSection.set("x2", true);
+            globalSection.set("y2", true);
+            globalSection.set("z2", true);
+            //can do x thing
+            globalSection.set("canBuild", true);
+            globalSection.set("canBreak", true);
+            globalSection.set("canPvp", true);
+            globalSection.set("canDrop", true);
+        }
+        cfgInit.worldguard.save();
+    }
 }
diff --git a/src/main/java/eu/creeper/mc/creeperPit/config/Init.java b/src/main/java/eu/creeper/mc/creeperPit/config/CFGInit.java
similarity index 93%
rename from src/main/java/eu/creeper/mc/creeperPit/config/Init.java
rename to src/main/java/eu/creeper/mc/creeperPit/config/CFGInit.java
index 49050ed..7c9122c 100644
--- a/src/main/java/eu/creeper/mc/creeperPit/config/Init.java
+++ b/src/main/java/eu/creeper/mc/creeperPit/config/CFGInit.java
@@ -7,14 +7,14 @@ import org.bukkit.plugin.java.JavaPlugin;
 
 import java.io.File;
 
-public class Init {
+public class CFGInit {
     private final Directory dir;
 
     public final JSON effectShop;
     public final JSON itemShop;
     public final YAML worldguard;
 
-    public Init(JavaPlugin plugin) {
+    public CFGInit(JavaPlugin plugin) {
         this.dir = new Directory(plugin);
         dir.createFolder("shop");
 
diff --git a/src/main/java/eu/creeper/mc/creeperPit/config/manager/JSON.java b/src/main/java/eu/creeper/mc/creeperPit/config/manager/JSON.java
index 08dfff1..62e109b 100644
--- a/src/main/java/eu/creeper/mc/creeperPit/config/manager/JSON.java
+++ b/src/main/java/eu/creeper/mc/creeperPit/config/manager/JSON.java
@@ -28,7 +28,7 @@ public class JSON {
                 gson.toJson(data, writer);
             }
         } catch (Exception e) {
-            plugin.getLogger().severe("Erreur sauvegarde JSON : " + file.getName());
+            plugin.getLogger().severe("COULDNT SAVE FILE " + file.getName());
             e.printStackTrace();
         }
     }
@@ -43,7 +43,7 @@ public class JSON {
                 return gson.fromJson(reader, clazz);
             }
         } catch (Exception e) {
-            plugin.getLogger().severe("Erreur chargement JSON : " + file.getName());
+            plugin.getLogger().severe("COULDNT LOAD FILE " + file.getName() + " (invalid json?)");
             e.printStackTrace();
             return defaultValue;
         }
diff --git a/src/main/java/eu/creeper/mc/creeperPit/config/manager/YAML.java b/src/main/java/eu/creeper/mc/creeperPit/config/manager/YAML.java
index 319dfe9..791e9ce 100644
--- a/src/main/java/eu/creeper/mc/creeperPit/config/manager/YAML.java
+++ b/src/main/java/eu/creeper/mc/creeperPit/config/manager/YAML.java
@@ -28,7 +28,7 @@ public class YAML {
             }
             config = YamlConfiguration.loadConfiguration(file);
         } catch (Exception e) {
-            plugin.getLogger().severe("Erreur chargement YAML : " + file.getName());
+            plugin.getLogger().severe("COULDNT LOAD FILE " + file.getName() + "  (invalid yaml?)");
             e.printStackTrace();
         }
     }
@@ -37,7 +37,7 @@ public class YAML {
         try {
             config.save(file);
         } catch (Exception e) {
-            plugin.getLogger().severe("Erreur sauvegarde YAML : " + file.getName());
+            plugin.getLogger().severe("COULDNT SAVE FILE " + file.getName());
             e.printStackTrace();
         }
     }
diff --git a/src/main/java/eu/creeper/mc/creeperPit/mysql/MariaDBManager.java b/src/main/java/eu/creeper/mc/creeperPit/mysql/MariaDBManager.java
index 5027a0b..c7aa1d5 100644
--- a/src/main/java/eu/creeper/mc/creeperPit/mysql/MariaDBManager.java
+++ b/src/main/java/eu/creeper/mc/creeperPit/mysql/MariaDBManager.java
@@ -1,4 +1,108 @@
 package eu.creeper.mc.creeperPit.mysql;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.UUID;
 
+/**
+ * MariaDBManager
+ * Gère toute la base de données pour le système de coins
+ */
 public class MariaDBManager {
+    private Connection connection;
+    private final String host;
+    private final int port; // 3306 default port
+
+    private final String database;
+    private final String user;
+    private final String password;
+
+    public MariaDBManager(String host, int port, String database, String user, String password) {
+        this.host = host;
+        this.port = port;
+        this.database = database;
+        this.user = user;
+        this.password = password;
+    }
+
+    public void connect() throws SQLException {
+        if (isConnected()) return;
+
+        String url = "jdbc:mariadb://" + host + ":" + port + "/" + database + "?autoReconnect=true";
+
+        connection = DriverManager.getConnection(url, user, password);
+    }
+    public void disconnect() throws SQLException {
+        if (isConnected()) {
+            connection.close();
+        }
+    }
+    public boolean isConnected() throws SQLException {
+        return connection != null && !connection.isClosed();
+    }
+    public Connection getConnection() {
+        return connection;
+    }
+
+    public void createTable() throws SQLException {
+        String sql = """
+            CREATE TABLE IF NOT EXISTS coins (
+                uuid VARCHAR(36) PRIMARY KEY,
+                coins INT NOT NULL
+            );
+        """;
+        connection.prepareStatement(sql).executeUpdate();
+    }
+
+    public void createPlayer(UUID uuid) throws SQLException {
+        if (hasAccount(uuid)) return;
+
+        String sql = "INSERT INTO coins (uuid, coins) VALUES (?, ?)";
+        PreparedStatement ps = connection.prepareStatement(sql);
+
+        ps.setString(1, uuid.toString());
+        ps.setInt(2, 0);
+
+        ps.executeUpdate();
+    }
+    public boolean hasAccount(UUID uuid) throws SQLException {
+        String sql = "SELECT uuid FROM coins WHERE uuid = ?";
+        PreparedStatement ps = connection.prepareStatement(sql);
+
+        ps.setString(1, uuid.toString());
+
+        ResultSet rs = ps.executeQuery();
+        return rs.next();
+    }
+
+    public int getCoins(UUID uuid) throws SQLException {
+        String sql = "SELECT coins FROM coins WHERE uuid = ?";
+        PreparedStatement ps = connection.prepareStatement(sql);
+
+        ps.setString(1, uuid.toString());
+
+        ResultSet rs = ps.executeQuery();
+        if (rs.next()) {
+            return rs.getInt("coins");
+        }
+
+        return -1; // so we can detect that the player isnt found
+    }
+    public void setCoins(UUID uuid, int coins) throws SQLException {
+        String sql = "UPDATE coins SET coins = ? WHERE uuid = ?";
+        PreparedStatement ps = connection.prepareStatement(sql);
+
+        ps.setInt(1, coins);
+        ps.setString(2, uuid.toString());
+
+        ps.executeUpdate();
+    }
+    public void addCoins(UUID uuid, int amount) throws SQLException {
+        setCoins(uuid, getCoins(uuid) + amount);
+    }
+    public void removeCoins(UUID uuid, int amount) throws SQLException {
+        setCoins(uuid, Math.max(0, getCoins(uuid) - amount));
+    }
 }