diff --git a/cspell-zksync.txt b/cspell-zksync.txt
index 57a20501..29342e0a 100644
--- a/cspell-zksync.txt
+++ b/cspell-zksync.txt
@@ -91,6 +91,7 @@ sidechains
 tokenomics
 validator's
 stakers
+Defi
 
 // Famous crypto people
 Vitalik's
diff --git a/docs/userdocs/learnbywatching.md b/docs/userdocs/learnbywatching.md
index c61a2457..91ecfb4b 100644
--- a/docs/userdocs/learnbywatching.md
+++ b/docs/userdocs/learnbywatching.md
@@ -27,3 +27,7 @@ There are many videos available to watch to help you learn more about zkSync. Ta
 ## ZK-SYNC Interview with Alex Gluchowski - Scaling Ethereum with Zero Knowledge Rollups
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/0xiiY8r8eX4" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+
+## Matter Labs: zkSync: Scaling Defi with the Magic of ZK Rollup
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/8pYShEW3-QE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>