diff --git a/applets/ctap/ctap.c b/applets/ctap/ctap.c
index 7bb7b351..e93f0a7d 100644
--- a/applets/ctap/ctap.c
+++ b/applets/ctap/ctap.c
@@ -2084,3 +2084,8 @@ int ctap_process_apdu(const CAPDU *capdu, RAPDU *rapdu) {
   else
     return 0;
 }
+
+int ctap_wink(void) {
+    start_blinking_interval(1, 50);
+}
+
diff --git a/include/ctap.h b/include/ctap.h
index 740f5613..fe94f09d 100644
--- a/include/ctap.h
+++ b/include/ctap.h
@@ -10,5 +10,6 @@ int ctap_install_private_key(const CAPDU *capdu, RAPDU *rapdu);
 int ctap_install_cert(const CAPDU *capdu, RAPDU *rapdu);
 int ctap_process_cbor(uint8_t *req, size_t req_len, uint8_t *resp, size_t *resp_len);
 int ctap_process_apdu(const CAPDU *capdu, RAPDU *rapdu);
+int ctap_wink(void);
 
 #endif // CANOKEY_CORE_FIDO2_FIDO2_H_
diff --git a/interfaces/USB/class/ctaphid/ctaphid.c b/interfaces/USB/class/ctaphid/ctaphid.c
index a9b1a1fe..c2162676 100644
--- a/interfaces/USB/class/ctaphid/ctaphid.c
+++ b/interfaces/USB/class/ctaphid/ctaphid.c
@@ -208,6 +208,11 @@ uint8_t CTAPHID_Loop(uint8_t wait_for_user) {
       else
         CTAPHID_SendResponse(channel.cid, channel.cmd, channel.data, channel.bcnt_total);
       break;
+     case CTAPHID_WINK:
+      DBG_MSG("WINK\n");
+      if (!wait_for_user) ctap_wink();
+      CTAPHID_SendResponse(channel.cid, channel.cmd, channel.data, 0);
+      break;
     case CTAPHID_CANCEL:
       DBG_MSG("CANCEL\n");
       ret = LOOP_CANCEL;