diff --git a/src/wormhole/cli/cmd_receive.py b/src/wormhole/cli/cmd_receive.py
index 7813d75..2e0447a 100644
--- a/src/wormhole/cli/cmd_receive.py
+++ b/src/wormhole/cli/cmd_receive.py
@@ -3,7 +3,7 @@ import os, sys, json, binascii, six, tempfile, zipfile
 from tqdm import tqdm
 from twisted.internet import reactor
 from twisted.internet.defer import inlineCallbacks, returnValue
-from ..twisted.transcribe import wormhole
+from ..wormhole import wormhole
 from ..twisted.transit import TransitReceiver
 from ..errors import TransferError
 
@@ -64,12 +64,12 @@ class TwistedReceiver:
     @inlineCallbacks
     def _go(self, w, tor_manager):
         yield self.handle_code(w)
-        verifier = yield w.get_verifier()
+        verifier = yield w.verify()
         self.show_verifier(verifier)
         them_d = yield self.get_data(w)
         try:
             if "message" in them_d:
-                yield self.handle_text(them_d, w)
+                self.handle_text(them_d, w)
                 returnValue(None)
             if "file" in them_d:
                 f = self.handle_file(them_d)
@@ -89,7 +89,7 @@ class TwistedReceiver:
                 raise RespondError("unknown offer type")
         except RespondError as r:
             data = json.dumps({"error": r.response}).encode("utf-8")
-            yield w.send(data)
+            w.send(data)
             raise TransferError(r.response)
         returnValue(None)
 
@@ -119,12 +119,11 @@ class TwistedReceiver:
             raise TransferError(them_d["error"])
         returnValue(them_d)
 
-    @inlineCallbacks
     def handle_text(self, them_d, w):
         # we're receiving a text message
         self.msg(them_d["message"])
         data = json.dumps({"message_ack": "ok"}).encode("utf-8")
-        yield w.send(data, wait=True)
+        w.send(data)
 
     def handle_file(self, them_d):
         file_data = them_d["file"]
@@ -183,12 +182,13 @@ class TwistedReceiver:
 
     @inlineCallbacks
     def establish_transit(self, w, them_d, tor_manager):
-        transit_key = w.derive_key(APPID+u"/transit-key")
         transit_receiver = TransitReceiver(self.args.transit_helper,
                                            no_listen=self.args.no_listen,
                                            tor_manager=tor_manager,
                                            reactor=self._reactor,
                                            timing=self.args.timing)
+        transit_key = w.derive_key(APPID+u"/transit-key",
+                                   transit_receiver.TRANSIT_KEY_LENGTH)
         transit_receiver.set_transit_key(transit_key)
         direct_hints = yield transit_receiver.get_direct_hints()
         relay_hints = yield transit_receiver.get_relay_hints()
@@ -199,7 +199,7 @@ class TwistedReceiver:
                 "relay_connection_hints": relay_hints,
                 },
             }).encode("utf-8")
-        yield w.send(data)
+        w.send(data)
 
         # now receive the rest of the owl
         tdata = them_d["transit"]
diff --git a/src/wormhole/cli/cmd_send.py b/src/wormhole/cli/cmd_send.py
index 8ad6973..dba5ee0 100644
--- a/src/wormhole/cli/cmd_send.py
+++ b/src/wormhole/cli/cmd_send.py
@@ -5,7 +5,7 @@ from twisted.protocols import basic
 from twisted.internet import reactor
 from twisted.internet.defer import inlineCallbacks, returnValue
 from ..errors import TransferError
-from ..twisted.transcribe import wormhole
+from ..wormhole import wormhole
 from ..twisted.transit import TransitSender
 
 APPID = u"lothar.com/wormhole/text-or-file-xfer"
@@ -83,7 +83,7 @@ def _send(reactor, w, args, phase1, fd_to_send, tor_manager):
     # get the verifier, because that also lets us derive the transit key,
     # which we want to set before revealing the connection hints to the far
     # side, so we'll be ready for them when they connect
-    verifier_bytes = yield w.get_verifier()
+    verifier_bytes = yield w.verify()
     verifier = binascii.hexlify(verifier_bytes).decode("ascii")
 
     if args.verify:
@@ -94,14 +94,15 @@ def _send(reactor, w, args, phase1, fd_to_send, tor_manager):
             if ok.lower() == "no":
                 err = "sender rejected verification check, abandoned transfer"
                 reject_data = json.dumps({"error": err}).encode("utf-8")
-                yield w.send(reject_data)
+                w.send(reject_data)
                 raise TransferError(err)
     if fd_to_send is not None:
-        transit_key = w.derive_key(APPID+"/transit-key")
+        transit_key = w.derive_key(APPID+"/transit-key",
+                                   transit_sender.TRANSIT_KEY_LENGTH)
         transit_sender.set_transit_key(transit_key)
 
     my_phase1_bytes = json.dumps(phase1).encode("utf-8")
-    yield w.send(my_phase1_bytes)
+    w.send(my_phase1_bytes)
 
     # this may raise WrongPasswordError
     them_phase1_bytes = yield w.get()
diff --git a/src/wormhole/test/test_scripts.py b/src/wormhole/test/test_scripts.py
index e70cc1a..71fd33a 100644
--- a/src/wormhole/test/test_scripts.py
+++ b/src/wormhole/test/test_scripts.py
@@ -453,7 +453,7 @@ class Cleanup(ServerBase, unittest.TestCase):
         yield send_d
         yield receive_d
 
-        cids = self._rendezvous.get_app(cmd_send.APPID).get_claimed()
+        cids = self._rendezvous.get_app(cmd_send.APPID).get_nameplate_ids()
         self.assertEqual(len(cids), 0)
 
     @inlineCallbacks
@@ -482,6 +482,7 @@ class Cleanup(ServerBase, unittest.TestCase):
         yield self.assertFailure(send_d, WrongPasswordError)
         yield self.assertFailure(receive_d, WrongPasswordError)
 
-        cids = self._rendezvous.get_app(cmd_send.APPID).get_claimed()
+        cids = self._rendezvous.get_app(cmd_send.APPID).get_nameplate_ids()
         self.assertEqual(len(cids), 0)
+        self.flushLoggedErrors(WrongPasswordError)