diff --git a/topics/discovery.md b/topics/discovery.md
index e7e1ac6..e271e6b 100644
--- a/topics/discovery.md
+++ b/topics/discovery.md
@@ -32,6 +32,8 @@ To overcome the difficulties of new users finding people to follow to get connec
 
 A search of the network will yield results from the data set the user's node has access to.
 
-### Yacy
+### Decentralized Search Engines
 
-[Yacy](https://yacy.net/) is a decentralized search engine. Users can define their own web index and start a web crawl.
+[Yacy](https://yacy.net/) is a decentralized search engine created in 2003. Users can define their own web index and start a web crawl.
+
+Blockchain-based search engines include [Almonit](https://gateway.ipfs.io/ipfs/QmeQRcd3fQzTdL5U5RXUVvSAa8mvCcWHzwNT29VDjR5nh1/search/engine/almonit-search-engine-preview.html), Presearch, and BitClave.