diff --git a/arbitrage/README.md b/arbitrage/README.md
index eb4c3a2..f8d497e 100644
--- a/arbitrage/README.md
+++ b/arbitrage/README.md
@@ -13,26 +13,25 @@ in order to take advantage of price discrepancies of that asset.
 
 <br>
 
+----
 
-
-### interesting arbitrages in the wild
+### arbitrages in the wild
 
 <br>
 
 * [arbitrageur begins with 1,000 Wrapped Ether (WETH), and ends up with 1,045](https://etherscan.io/tx/0x5e1657ef0e9be9bc72efefe59a2528d0d730d478cfc9e6cdd09af9f997bb3ef4)
 
-<br>
 
 
-
-##### mev bots transactions
+* [list of interesting mev bots transactions](https://github.com/bt3gl-labs/1337_mev_toolkit/blob/main/arbitrage/mev_bots_wild.md)
 
 <br>
 
-* https://etherscan.io/tx/0x46bf75f983f72ab1e7d391b9b618634d5452d2979bd13e95d7ed83c39b621cae 
-* https://etherscan.io/tx/0x6ab410a68c9dbc1f4bb9ecf4e63aebbcef1fd6e4f58b1961b5e58fc76093b91c
-* https://etherscan.io/tx/0x76e5fb10ce1cf21846839a35eca09d8da5a53512292986e887a705bf4cdec349
-* https://etherscan.io/tx/0x565d1b25538e7b8f385d4656e9f3d3e4570eade3af747e49d0464c08db68d1a7
-* https://etherscan.io/tx/0xda8ee92d0796af8889f1fc1a71a7072dfeeb5694692f163b77b302bf34393ff8
-* https://etherscan.io/tx/0x299c020e03d93caa937e43f21093a4f3e6457efdc27c174495fc2cc1f293e9b2
-* https://etherscan.io/tx/0xc649f14593613f93a3ef5dbfba55d50e5b4888ae25e277bba99c6884ffdda86b
+----
+
+### designing arb bots
+
+<br>
+
+* [saving gas](https://github.com/bt3gl-labs/1337_blockchain_hacker_toolkit/blob/main/master_solidity/saving_gas.md)
+