diff --git a/shared/ccc.py b/shared/ccc.py
index 20db8652..0a7ec236 100644
--- a/shared/ccc.py
+++ b/shared/ccc.py
@@ -635,7 +635,7 @@ class CCCPolicyMenu(MenuSystem):
 
         self.policy = CCCFeature.update_policy_key(**args)
 
-        await ux_show_story(msg, title="Txn Magnitude")
+        await ux_show_story(msg, title="TX Magnitude")
         
     async def set_velocity(self, *a):
         mag = self.policy.get('mag', 0) or 0
@@ -828,7 +828,7 @@ async def modify_ccc_settings():
         # directly into menu (super helpful for debug/setup/testing time). We do warn tho.
         await ux_show_story('''You have a copy of the CCC key C in the Seed Vault, so \
 you may proceed to change settings now.\n\nYou must delete that key from the vault once \
-setup and debug is finished, or all benefit of this feature is lost!''')
+setup and debug is finished, or all benefit of this feature is lost!''', title='REMINDER')
 
         bypass = True
 
@@ -836,13 +836,9 @@ setup and debug is finished, or all benefit of this feature is lost!''')
         ch = await ux_show_story(
             "Spending policy cannot be viewed, changed nor disabled, "
             "unless you have the seed words for key C.",
-            title="CCC Enabled", escape='6')
+            title="CCC Enabled")
 
-        if ch == '6' and version.is_devmode:
-            # debug hack: skip word entry
-            bypass = True
-
-        elif ch != 'y': return
+        if ch != 'y': return
 
     if bypass:
         # doing full decode cycle here for better testing
diff --git a/shared/chains.py b/shared/chains.py
index f3d9675a..87385711 100644
--- a/shared/chains.py
+++ b/shared/chains.py
@@ -274,13 +274,17 @@ class ChainsBase:
         # Given a text (serialized) address, return what
         # address format applies to the address, but
         # for AF_P2SH case, could be: AF_P2SH,  AF_P2WPKH_P2SH, AF_P2WSH_P2SH. .. we don't know
-        if addr.startswith(cls.bech32_hrp):
-            if addr.startswith(cls.bech32_hrp+'1p'):
-                # really any ver=1 script or address, but for now...
+        hrp = cls.bech32_hrp + "1"
+        if addr.startswith(hrp):
+            if addr.startswith(hrp+'p'):
+                # segwit v1 (any ver=1 script or address, but for now just taproot...)
                 return AF_P2TR
-            else:
+            elif addr.startswith(hrp+'q'):
+                # segwit v0
                 return AF_P2WPKH if len(addr) < 55 else AF_P2WSH
 
+            return 0
+
         try:
             raw = ngu.codecs.b58_decode(addr)
         except ValueError: 
diff --git a/testing/test_ownership.py b/testing/test_ownership.py
index 35db83df..9f4203b1 100644
--- a/testing/test_ownership.py
+++ b/testing/test_ownership.py
@@ -315,4 +315,44 @@ def test_address_explorer_saver(af, wipe_cache, settings_set, goto_address_explo
     else:
         assert af in story
 
+
+def test_regtest_addr_on_mainnet(goto_home, is_q1, pick_menu_item, scan_a_qr, nfc_write, cap_story,
+                                 need_keypress, load_shared_mod, use_mainnet):
+    # testing bug in chains.possible_address_fmt
+    # allowed regtest addresses to be allowed on main chain
+    goto_home()
+    use_mainnet()
+    addr = "bcrt1qmff7njttlp6tqtj0nq7svcj2p9takyqm3mfl06"
+    if is_q1:
+        pick_menu_item('Scan Any QR Code')
+        scan_a_qr(addr)
+        time.sleep(1)
+
+        title, story = cap_story()
+
+        assert addr == addr_from_display_format(story.split("\n\n")[0])
+        assert '(1) to verify ownership' in story
+        need_keypress('1')
+
+    else:
+        cc_ndef = load_shared_mod('cc_ndef', '../shared/ndef.py')
+        n = cc_ndef.ndefMaker()
+        n.add_text(addr)
+        ccfile = n.bytes()
+
+        # run simulator w/ --set nfc=1 --eff
+        pick_menu_item('Advanced/Tools')
+        pick_menu_item('NFC Tools')
+        pick_menu_item('Verify Address')
+        open('debug/nfc-addr.ndef', 'wb').write(ccfile)
+        nfc_write(ccfile)
+        # press_select()
+
+    time.sleep(1)
+    title, story = cap_story()
+    assert addr == addr_from_display_format(story.split("\n\n")[0])
+
+    assert title == 'Unknown Address'
+    assert "not valid on Bitcoin Mainnet" in story
+
 # EOF