diff --git a/src/Message/AbstractRequest.php b/src/Message/AbstractRequest.php
index 5a5781c..af2e6b2 100644
--- a/src/Message/AbstractRequest.php
+++ b/src/Message/AbstractRequest.php
@@ -257,4 +257,16 @@ public function getCurrencyByPurse($purse)
                 return null;
         }
     }
+
+    public function getCurrencies()
+    {
+        if ($this->currencies === null) {
+            $this->currencies = new \Money\Currencies\AggregateCurrencies([
+                new \Money\Currencies\CryptoCurrencies(),
+                new \Money\Currencies\ISOCurrencies(),
+            ]);
+        }
+
+        return $this->currencies;
+    }
 }