diff --git a/README.md b/README.md
index ae7014f..2edccdf 100644
--- a/README.md
+++ b/README.md
@@ -322,6 +322,21 @@ Source of truth: [MystenLabs/deepbookv3 — packages/predict](https://github.com
 
 ---
 
+## On-chain proof
+
+Live `predict::mint` transactions fired by the Vol-Arb Sentinel on Sui testnet:
+
+| # | Transaction |
+|---|---|
+| 1 | [8LeP3XE22mFuyvJa2hfNfWBD8UrhhykZEgVB7YfhyDkg](https://suiscan.xyz/testnet/tx/8LeP3XE22mFuyvJa2hfNfWBD8UrhhykZEgVB7YfhyDkg) |
+| 2 | [FDqiGpm1GJS7isTv7uBhLNiZ74tJbFziGMGH1C5bKh36](https://suiscan.xyz/testnet/tx/FDqiGpm1GJS7isTv7uBhLNiZ74tJbFziGMGH1C5bKh36) |
+| 3 | [7QdXwPemaFAKm832gCvHPQxGWC7imvRt5iYNN2hec4yS](https://suiscan.xyz/testnet/tx/7QdXwPemaFAKm832gCvHPQxGWC7imvRt5iYNN2hec4yS) |
+| 4 | [G8Sjz2pGRE35exdTYc54QD9W1K6RcvMvoLHoJJAyY4uU](https://suiscan.xyz/testnet/tx/G8Sjz2pGRE35exdTYc54QD9W1K6RcvMvoLHoJJAyY4uU) |
+| 5 | [2Bk8fmJySJKSN3aZdbEXb6itRzaxeCc51NTMNGu2cbuq](https://suiscan.xyz/testnet/tx/2Bk8fmJySJKSN3aZdbEXb6itRzaxeCc51NTMNGu2cbuq) |
+| 6 | [2eWiDzCULTgxoCzSpsxKoMZQ3uWHn6mKRNeddGWi7vT3](https://suiscan.xyz/testnet/tx/2eWiDzCULTgxoCzSpsxKoMZQ3uWHn6mKRNeddGWi7vT3) |
+
+---
+
 ## Demo
 
 [Demo video (YouTube)](https://youtube.com) — ≤5 min walkthrough of the full flow.