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MEV_and_trading/protocols/0x_protocol/README.md

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+# 0x protocol
+
+<br>
+
+### tl; dr
+
+<br>
+
+* 0x request-for-quote (rfq), mev proof + zero slippage trades
+* all communication happens off-chain until settlement, making the system extremely gas efficient for market makers
+* trades are impossible to front-run or sandwich: no mev
+* trades have zero slippage, zero fees (aside from gas), and are settled at a predetermined price
+* highly capital efficient (max trade size = balance of market marker)
+* rfq liquidity is composable
+* off-chain orders, on-chain settlement
+* the `txOrigin` field must be set and enforces that the order can only be filled by the specified address - it is impossible for any other trader or bot to front-run the trade.
+
+
+
+<br>
+
+----
+
+### resources
+
+<br>
+
+* [matcha.xyz](https://matcha.xyz/)
+* [RFQ orders official guide](https://protocol.0x.org/en/latest/basics/orders.html#rfq-orders)
+* [0xv4 RFQ order guide](https://gist.github.com/lampshade9909/cf16b2aa198e4df8d00702ffd7bf506a)
+* [0x at mev.wtf](https://docs.google.com/presentation/d/1kde_3RPgHJP0vOP8GG92mlA7VtdGdHiGdrEGhFhx-5U/edit#slide=id.g465c39fec5_0_1309)

MEV_and_trading/protocols/0x_protocol/RFQ.md

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+##  Request-for-Quote (RFQ)
+
+### tl; dr
+
+
+<br>
+
+---
+
+### resources
+
+* [0xv4 RFQ order guide in python](https://gist.github.com/lampshade9909/cf16b2aa198e4df8d00702ffd7bf506a)