diff --git a/post/draft-20240922.md b/post/draft-20240922.md
index da20992..12a8538 100644
--- a/post/draft-20240922.md
+++ b/post/draft-20240922.md
@@ -43,3 +43,4 @@ It has two main components:
 ### FlashSwift: A Configurable and More Efficient Range Proof With Transparent Setup
 - <https://eprint.iacr.org/2024/1441>
 
+<iframe src="https://zkpunkorg.substack.com/embed" width="480" height="320" style="border:1px solid #EEE; background:white;" frameborder="0" scrolling="no"></iframe>
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