diff --git a/CoinWrapper/Services/Coins/Bitcoin/BitcoinService.cs b/CoinWrapper/Services/Coins/Bitcoin/BitcoinService.cs
index f89a1a6..ad04dc2 100644
--- a/CoinWrapper/Services/Coins/Bitcoin/BitcoinService.cs
+++ b/CoinWrapper/Services/Coins/Bitcoin/BitcoinService.cs
@@ -12,7 +12,7 @@ public BitcoinService(Boolean useTestnet = false) : base(useTestnet)
         {
         }
 
-        public BitcoinService(String daemonUrl, String rpcUsername, String rpcPassword, String walletPassword) : base(daemonUrl, rpcUsername, rpcPassword, walletPassword)
+        public BitcoinService(String daemonUrl, String rpcUsername, String rpcPassword, String walletPassword = null) : base(daemonUrl, rpcUsername, rpcPassword, walletPassword)
         {
         }
 
diff --git a/CoinWrapper/Services/Coins/Litecoin/LitecoinService.cs b/CoinWrapper/Services/Coins/Litecoin/LitecoinService.cs
index 1282dd6..9d00c70 100644
--- a/CoinWrapper/Services/Coins/Litecoin/LitecoinService.cs
+++ b/CoinWrapper/Services/Coins/Litecoin/LitecoinService.cs
@@ -12,7 +12,7 @@ public LitecoinService(Boolean useTestnet = false) : base(useTestnet)
         {
         }
 
-        public LitecoinService(String daemonUrl, String rpcUsername, String rpcPassword, String walletPassword) : base(daemonUrl, rpcUsername, rpcPassword, walletPassword)
+        public LitecoinService(String daemonUrl, String rpcUsername, String rpcPassword, String walletPassword = null) : base(daemonUrl, rpcUsername, rpcPassword, walletPassword)
         {
         }
 
diff --git a/CoinWrapper/Services/RpcServices/RpcService/RpcService.cs b/CoinWrapper/Services/RpcServices/RpcService/RpcService.cs
index bb50b31..efe9305 100644
--- a/CoinWrapper/Services/RpcServices/RpcService/RpcService.cs
+++ b/CoinWrapper/Services/RpcServices/RpcService/RpcService.cs
@@ -44,6 +44,11 @@ public CoinService(String daemonUrl, String rpcUsername, String rpcPassword, Str
             }
         }
 
+        public override String ToString()
+        {
+            return Parameters.CoinLongName;
+        }
+
         public String AddMultiSigAddress(Int32 nRquired, List<String> publicKeys, String account)
         {
             return _rpcConnector.MakeRequest<String>(RpcMethods.addmultisigaddress, nRquired, publicKeys, account);