diff --git a/bcutils.js b/bcutils.js
index a73d95c..ed60815 100644
--- a/bcutils.js
+++ b/bcutils.js
@@ -110,6 +110,14 @@ function extractParamsFromTransId(transId) {
   return params;
 }
 
+function isEmptyAddress(address) {
+  return address.toString().length < 10;
+}
+
+function isValidAddress(address) {
+  return address.toString().length > 10;
+}
+
 exports.BC_BASE_GAME_ID = BC_BASE_GAME_ID;
 exports.BC_FUNC_CREATION = BC_FUNC_CREATION;
 exports.BC_FUNC_GUILD = BC_FUNC_GUILD;
@@ -137,3 +145,5 @@ exports.isSameAddress = isSameAddress;
 exports.genTransId = genTransId;
 exports.isValidTransId = isValidTransId;
 exports.extractParamsFromTransId = extractParamsFromTransId;
+exports.isEmptyAddress = isEmptyAddress;
+exports.isValidAddress = isValidAddress;