diff --git a/pages/overview/[[...slug]].js b/pages/overview/[[...slug]].js
index a15fb87..7febcde 100644
--- a/pages/overview/[[...slug]].js
+++ b/pages/overview/[[...slug]].js
@@ -328,13 +328,7 @@ function Landing({ search }) {
               className="h-full"
               href="/overview/azimuth"
             />
-            <Card
-              icon={<Cryptography />}
-              title="Cryptography"
-              text="There are two categories of keys and five components of the system involved with cryptography on Urbit"
-              className="h-full"
-              href="/reference/additional/cryptography"
-            />
+            <div />
           </TwoUp>
         </Section>
       </SingleColumn>
diff --git a/public/images/favicon.ico b/public/images/favicon.ico
new file mode 100644
index 0000000..fc02b4e
Binary files /dev/null and b/public/images/favicon.ico differ