diff --git a/src/Alias.php b/src/Alias.php
new file mode 100644
index 0000000..bfd0f0a
--- /dev/null
+++ b/src/Alias.php
@@ -0,0 +1,56 @@
+<?php
+namespace ProVM\Money;
+
+use ProVM\Common\Alias\Model;
+use ProVM\Common\Factory\Model as ModelFactory;
+
+/**
+ * @property int $id
+ * @property Currency $currency_id
+ * @property string $alias
+ */
+class Alias extends Model {
+  public static $_table = 'aliases';
+
+  protected $currency;
+  public function currency() {
+    if ($this->currency === null) {
+      $this->currency = $this->childOf(Currency::class, [Model::SELF_KEY => 'currency_id']);
+    }
+    return $this->currency;
+  }
+
+  protected static $fields = ['currency_id', 'alias'];
+  public static function add(ModelFactory $factory, $info) {
+    $input = array_intersect_key((array) $info, array_combine(self::$fields, self::$fields));
+    $alias = $factory->find(Alias::class)->where([['currency_id', $input['currency_id']], ['alias', $input['alias']]])->one();
+    $created = false;
+    $result = (object) compact('input', 'alias', 'created');
+    if (!$alias) {
+      $alias = $factory->create(Alias::class, $input);
+      $created = $alias->save();
+      $result->created = $created;
+    }
+    $result->source = $alias->asArray();
+    return $result;
+  }
+  public function edit($info): bool {
+    $data = array_intersect_key((array) $info, array_combine(self::$fields, self::$fields));
+    $edited = false;
+    foreach ($data as $field => $value) {
+      if ($this->{$field} != $value) {
+        $this->{$field} = $value;
+        $edited = true;
+      }
+    }
+    if ($edited) {
+      $edited = $this->save();
+    }
+    return $edited;
+  }
+  public function asArray(): array {
+    $output = parent::asArray();
+    $output['currency'] = $this->currency()->asArray();
+    return $output;
+  }
+}
diff --git a/src/Currency.php b/src/Currency.php
index a53d614..dd03e4a 100644
--- a/src/Currency.php
+++ b/src/Currency.php
@@ -38,6 +38,13 @@ class Currency extends Model {
     }
     return $this->sources;
   }
+  protected $aliases;
+  public function aliases() {
+    if ($this->aliases === null) {
+      $this->aliases = $this->parentOf(Alias::class, [Model::CHILD_KEY => 'currency_id']);
+    }
+    return $this->aliases;
+  }
 
   protected static $fields = ['code', 'name'];
   public static function add(ModelFactory $factory, $info) {
@@ -73,6 +80,12 @@ class Currency extends Model {
     }
     return $edited;
   }
+  public function addAlias($info) {
+    $arr = (array) $info;
+    $arr['currency_id'] = (int) $this->id;
+    $result = Alias::add($this->factory, $arr);
+    return $result;
+  }
   public function addValue($info) {
     $arr = (array) $info;
     $arr['currency_id'] = (int) $this->id;
@@ -85,4 +98,27 @@ class Currency extends Model {
     $result = Source::add($this->factory, $arr);
     return $result;
   }
+
+  public static function find(ModelFactory $factory, string $query) {
+    $query = '%' . $query . '%';
+    $currency = $factory->find(Currency::class)->where([
+      ['code', $query, 'like']
+    ])->one();
+    if ($currency !== false and $currency !== null) {
+      return $currency;
+    }
+    $currency = $factory->find(Currency::class)->where([
+      ['name', $query, 'like']
+    ])->one();
+    if ($currency !== false and $currency !== null) {
+      return $currency;
+    }
+    $alias = $factory->find(Alias::class)->where([
+      ['alias', $query, 'like']
+    ])->one();
+    if ($alias !== false and $alias !== null) {
+      return $alias->currency();
+    }
+    return false;
+  }
 }