---
title: "Discussion on \"Building an Open MEV Simulation Engine for DeFi Arbitrage\" | Hashnode"
description: "Discussion on \"Building an Open MEV Simulation Engine for DeFi Arbitrage\". How I built an open arbitrage simulation engine: route discovery, exact AMM math, flash loan planning and bundle construction"
url: "https://hashnode.com/posts/building-an-open-mev-simulation-engine-for-defi-arbitrage/69fc4da2e89e113e5065f62e"
---

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# [Building an Open MEV Simulation Engine for DeFi Arbitrage](https://alessiogiannini.dev/building-an-open-mev-simulation-engine-for-defi-arbitrage?utm_source=hashnode&utm_medium=feed)

How I built an open arbitrage simulation engine: route discovery, exact AMM math, flash loan planning and bundle construction

May 7 · 8 min read · alessiogiannini.dev  
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-   [#mev](https://hashnode.com/tag/mev)
-   [#defi](https://hashnode.com/tag/defi)
-   [#arbitrage](https://hashnode.com/tag/arbitrage)
-   [#polkadot](https://hashnode.com/tag/polkadot)

## Written by

[Alessio Giannini](https://hashnode.com/@alessiogiannini)

@alessiogiannini

  
[View profile](https://hashnode.com/@alessiogiannini)

I'm Alessio Giannini, a Blockchain & MEV Engineer with a background in enterprise software development, now focused on DeFi, MEV, protocol economics, and execution security across EVM and Substrate-based chains. I build open source tooling for MEV analysis and cross-chain data collection under xchain-mev-research, and I work with protocols and operators on understanding and mitigating MEV exposure in production systems. Graduate of the Polkadot Blockchain Academy (Hong Kong, 2024). I write about what I build and what I find — MEV mechanics, DeFi infrastructure, cross-chain architecture, and the occasional deep dive into protocol internals

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