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+## PvP bot battles
+
+<br>
+
+### salmonella
+
+* exploited the generalised nature of front-running setups through an erc20 token that could detect when a non-owner is transacting it, returning just 10% of the amount.
+* [source code](https://github.com/Defi-Cartel/salmonella)
+
+<br>
+
+### kattana
+
+* trap for front-runnign bots during token listing.
+
+### YOLOchain
+
+* instead of users paying tx fees via gas prices, flashbots users pay fees via a smart contract call which transfers eth to miner.
+* miners receive bundles of txs from users and include the bundle that pays the most
+* sandwich bots watch the mempool for users buying on dexes and sandwich them
+* bots will simulate their txs on local infrastrcuture