diff --git a/spec/22/photos/projects/makerdao-twitter.jpg b/spec/22/photos/projects/makerdao-twitter.jpg
new file mode 100644
index 0000000..1132d0c
Binary files /dev/null and b/spec/22/photos/projects/makerdao-twitter.jpg differ
diff --git a/spec/22/photos/projects/secret-network-twitter.jpg b/spec/22/photos/projects/secret-network-twitter.jpg
new file mode 100644
index 0000000..af32249
Binary files /dev/null and b/spec/22/photos/projects/secret-network-twitter.jpg differ
diff --git a/spec/22/projects.yaml b/spec/22/projects.yaml
index 5b046ae..d58c02a 100644
--- a/spec/22/projects.yaml
+++ b/spec/22/projects.yaml
@@ -1,15 +1,35 @@
 - id: bitcoin
   name: Bitcoin
   twitter: Bitcoin
+  web:
+    url: https://bitcoin.org/
 
 - id: ethereum
   name: Ethereum
   twitter: Ethereum
+  web:
+    url: https://ethereum.org/
 
 - id: polkadot
   name: Polkadot
   twitter: Polkadot
+  web:
+    url: https://polkadot.network/
 
 - id: cardano
   name: Cardano
   twitter: Cardano
+  web:
+    url: https://cardano.org/
+
+- id: makerdao
+  name: MakerDAO
+  twitter: MakerDAO
+  web:
+    url: https://makerdao.com/
+
+- id: secret-network
+  name: Secret Network
+  twitter: SecretNetwork
+  web:
+    url: https://scrt.network/
diff --git a/utils/schema/projects.yaml b/utils/schema/projects.yaml
index 61440b7..913269e 100644
--- a/utils/schema/projects.yaml
+++ b/utils/schema/projects.yaml
@@ -14,5 +14,14 @@ items:
     twitter:
       type: string
       pattern: "^[a-zA-Z0-9_]+$"
+    web:
+      type: object
+      additionalProperties: false
+      properties:
+        url:
+          type: string
+          format: uri
+        name:
+          type: string
     photos:
       type: array
diff --git a/utils/schema/speakers.yaml b/utils/schema/speakers.yaml
index 118179c..780bf9b 100644
--- a/utils/schema/speakers.yaml
+++ b/utils/schema/speakers.yaml
@@ -22,6 +22,7 @@ items:
       type: string
     web:
       type: object
+      additionalProperties: false
       properties:
         url:
           type: string