diff --git a/libraries/chain/include/graphene/chain/is_authorized_asset.hpp b/libraries/chain/include/graphene/chain/is_authorized_asset.hpp
index 1c7569c0..5062136e 100644
--- a/libraries/chain/include/graphene/chain/is_authorized_asset.hpp
+++ b/libraries/chain/include/graphene/chain/is_authorized_asset.hpp
@@ -29,11 +29,26 @@ class account_object;
 class asset_object;
 class database;
 
+namespace detail {
+
+bool _is_authorized_asset(const database& d, const account_object& acct, const asset_object& asset_obj);
+
+}
+
 /**
  * @return true if the account is whitelisted and not blacklisted to transact in the provided asset; false
  * otherwise.
  */
 
-bool is_authorized_asset(const database& d, const account_object& acct, const asset_object& asset_obj);
+inline bool is_authorized_asset(const database& d, const account_object& acct, const asset_object& asset_obj)
+{
+   bool fast_check = !(asset_obj.options.flags & white_list);
+
+   if( fast_check )
+      return true;
+
+   bool slow_check = detail::_is_authorized_asset( d, acct, asset_obj );
+   return slow_check;
+}
 
 } }
diff --git a/libraries/chain/is_authorized_asset.cpp b/libraries/chain/is_authorized_asset.cpp
index 0dda6ece..585b1da6 100644
--- a/libraries/chain/is_authorized_asset.cpp
+++ b/libraries/chain/is_authorized_asset.cpp
@@ -30,7 +30,9 @@
 
 namespace graphene { namespace chain {
 
-bool is_authorized_asset(
+namespace detail {
+
+bool _is_authorized_asset(
    const database& d,
    const account_object& acct,
    const asset_object& asset_obj)
@@ -62,4 +64,6 @@ bool is_authorized_asset(
    return false;
 }
 
-} }
+} // detail
+
+} } // graphene::chain