diff --git a/README.md b/README.md
index 69a41dd..c8a34ae 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ Wallets and mints `MUST` implement all mandatory specs and `CAN` implement optio
 | [18][18] | Payment requests                  | [Cashu.me][cashume], [Boardwalk][bwc], [cdk-cli]                             | -                                                            |
 | [19][19] | Cached Responses                  | -                                                                            | [Nutshell][py], [cdk-mintd]                                  |
 | [20][20] | Signature on Mint Quote           | [cdk-cli], [Nutshell][py], [gonuts]                                          | [cdk-mintd], [Nutshell][py], [gonuts]                        |
+| [21][21] | Clear authentication              | [Nutshell][py]                                                               | [Nutshell][py]                                               |
+| [22][22] | Blind authentication              | [Nutshell][py]                                                               | [Nutshell][py]                                               |
 
 #### Wallets: