diff --git a/src/gd_con.erl b/src/gd_con.erl
index eef0a57..ae773b4 100644
--- a/src/gd_con.erl
+++ b/src/gd_con.erl
@@ -183,6 +183,11 @@ sign_binary(Request) ->
     gd_server:cast(?MODULE, {sign_binary, Request}).
 
 
+-spec sign_binary(ID, Message) -> Result
+    when ID      :: binary(),
+         Message :: binary(),
+         Result  :: {ok, Sig :: binary()} | {error, bad_key}.
+
 sign_binary(ID, Message) ->
     gd_server:call(?MODULE, {sign_binary, ID, Message}).
 
@@ -461,6 +466,9 @@ handle_call(chain_id, _, State) ->
 handle_call({sign_call, ChainID, PubKey, TX}, _, State) ->
     Response = do_sign_call(State, ChainID, PubKey, TX),
     {reply, Response, State};
+handle_call({sign_binary, ID, Message}, _, State) ->
+    Response = do_sign_binary(ID, Message, State),
+    {reply, Response, State};
 handle_call({open_wallet, Path, Phrase}, _, State) ->
     {Response, NewState} = do_open_wallet(Path, Phrase, State),
     {reply, Response, NewState};
@@ -522,9 +530,6 @@ handle_cast({sign_mess, Request}, State) ->
 handle_cast({sign_binary, Request}, State) ->
     ok = do_sign_binary(Request, State),
     {noreply, State};
-handle_cast({sign_binary, ID, Message}, State) ->
-    ok = do_sign_binary(ID, Message, State),
-    {noreply, State};
 handle_cast({sign_tx, Request}, State) ->
     ok = do_sign_tx(Request, State),
     {noreply, State};
diff --git a/src/gd_n_recvr.erl b/src/gd_n_recvr.erl
index 1e16c92..57f1701 100644
--- a/src/gd_n_recvr.erl
+++ b/src/gd_n_recvr.erl
@@ -103,11 +103,14 @@ handshake(State = #s{socket = Socket}, Ref, From) ->
     ok = active_once(State),
     receive
         {tcp, Socket, <<"GajuExpress 1 RECVR:", Challenge/binary>>} ->
+            tell(info, "Got challenge ~p", [Challenge]),
             case is_sus(Challenge) of
                 false ->
+                    tell(info, "Not sus"),
                     From ! {Ref, {ok, Challenge}},
                     authenticate(State);
                 true ->
+                    tell(info, "Sus"),
                     From ! {Ref, {error, "Challenge was sus."}},
                     retire(State, normal)
             end;
@@ -150,6 +153,7 @@ decode_challenge(TS, Rand) ->
 authenticate(State = #s{socket = Socket}) ->
     receive
         {Ref, From, {response, Sig}} ->
+            tell(info, "Got sig: ~p", [Sig]),
             ok = send(Socket, Sig),
             await_auth(State, Ref, From);
         nope ->
diff --git a/src/gd_v_express.erl b/src/gd_v_express.erl
index 55f9e25..732d175 100644
--- a/src/gd_v_express.erl
+++ b/src/gd_v_express.erl
@@ -348,7 +348,7 @@ do_check2(State = #s{recvr = PID}) ->
             State#s{recvr = none}
     end.
 
-challenge(State = #s{recvr = PID, keys = KeyP}, Challenge) ->
+challenge(State = #s{recvr = PID, keys = #w{wx = KeyP}}, Challenge) ->
     case wxChoice:getStringSelection(KeyP) of
         "" ->
             ok = gd_n_recvr:stop(PID),
@@ -416,7 +416,7 @@ do_retire(PID, Info, State = #s{rider = PID}) ->
     ok = tell(info, "Rider retired with: ~p", [Info]),
     State#s{rider = none};
 do_retire(PID, Info, State = #s{recvr = PID}) ->
-    ok = tell(info, "Rider retired with: ~p", [Info]),
+    ok = tell(info, "Recvr retired with: ~p", [Info]),
     State#s{recvr = none};
 do_retire(PID, Info, State) ->
     ok = tell(info, "~p retired with: ~p", [PID, Info]),