diff --git a/Security-Tokens.md b/Security-Tokens.md
index 41a4bf8..5b38583 100644
--- a/Security-Tokens.md
+++ b/Security-Tokens.md
@@ -12,6 +12,11 @@
 | [YubiKey 4 Nano](https://www.yubico.com/product/yubikey-4-series/) | FULL | 𐄂 | OTG | ✔ | ✔ | closed |
 | [YubiKey 4C](https://www.yubico.com/product/yubikey-4-series/) | FULL | 𐄂 | USB-C | ✔ | ✔ | closed |
 | [YubiKey 4C Nano](https://www.yubico.com/product/yubikey-4-series/) | FULL | 𐄂 | USB-C | ✔ | ✔ | closed |
+
+# NOT supported
+
+| Token | Supported? | NFC | USB | sign/ decrypt | setup (put key/ reset) | Implementation |
+|------|------|------|------|------|------|------|
 | [Ledger Nano S](https://www.ledgerwallet.com/products/12-ledger-na𐄂-s) | NO ([#2135](https://github.com/open-keychain/open-keychain/issues/2135)) | 𐄂 | OTG | 𐄂 | 𐄂 | [blue-app-openpgp-card](https://github.com/LedgerHQ/blue-app-openpgp-card) |
 | [TREZOR 2](https://trezor.io/) | NO | 𐄂 | OTG | 𐄂 | 𐄂 | Not OpenPGP Card Spec compatible |