diff --git a/backend/grant/ccr/views.py b/backend/grant/ccr/views.py
index 4b6fa784..28c1077a 100644
--- a/backend/grant/ccr/views.py
+++ b/backend/grant/ccr/views.py
@@ -48,6 +48,7 @@ def make_ccr_draft():
 def get_ccr_drafts():
     ccrs = (
         CCR.query
+            .filter_by(user_id=g.current_user.id)
             .filter(or_(
             CCR.status == CCRStatus.DRAFT,
             CCR.status == CCRStatus.REJECTED,
diff --git a/backend/grant/utils/requests.py b/backend/grant/utils/requests.py
index cd63b52d..06c1cd82 100644
--- a/backend/grant/utils/requests.py
+++ b/backend/grant/utils/requests.py
@@ -30,6 +30,9 @@ def blockchain_get(path, params=None):
 
 
 def validate_blockchain_get(path, params=None):
+    if path == '/validate/address' and params and params['address'] and params['address'][0] == 't':
+        raise ValidationException('T addresses are not allowed')
+
     try:
         res = blockchain_get(path, params)
     except Exception:
diff --git a/frontend/client/components/Settings/Account/RefundAddress.tsx b/frontend/client/components/Settings/Account/RefundAddress.tsx
index 070ca895..54c0ab77 100644
--- a/frontend/client/components/Settings/Account/RefundAddress.tsx
+++ b/frontend/client/components/Settings/Account/RefundAddress.tsx
@@ -65,7 +65,7 @@ export default class RefundAddress extends React.Component<Props, State> {
         <Form.Item label="Refund address" validateStatus={status} help={help}>
           <Input
             value={refundAddress || ''}
-            placeholder="Z or T address"
+            placeholder="Z address"
             onChange={this.handleChange}
             disabled={isFetching || isSaving || errorFetching}
           />
diff --git a/frontend/client/utils/validators.ts b/frontend/client/utils/validators.ts
index 348b32dd..9ed97bbe 100644
--- a/frontend/client/utils/validators.ts
+++ b/frontend/client/utils/validators.ts
@@ -78,5 +78,5 @@ export function isValidSaplingAddress(address: string): boolean {
 }
 
 export function isValidAddress(a: string): boolean {
-  return isValidTAddress(a) || isValidSproutAddress(a) || isValidSaplingAddress(a);
+  return isValidSproutAddress(a) || isValidSaplingAddress(a);
 }