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DeFi Gaurdian

Introducing a general purpose rate limit contract guardian to detect hacks and minimize losses at the smart contract level!

DeFi Gaurdian

Created At

ETHGlobal Tokyo

Winner of

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📜 Scroll — Just Deploy

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🔟 Push — Top 10

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🏊‍♂️ Polygon — Pool Prize

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👷 Taiko — 🥈 Best Dapp

Project Description

This project gives DeFi protocols an opportunity to give depositors additional safety guarantees to prevent hacks and minimize losses. We achieve this by tracking the inflow and outflow of tokens and using existing rate limiting heuristics to determine if a transaction is a probable hack.

How it's Made

This smart contract acts like a proxy between the defi protocol and the broader chain. Using this proxy, we can determine if a token outflow is a likely hack. For example in the euler hack, 99% of the TVL disappeared in a few blocks, this is something we can surely detect using smart contracts. Additionally, we created a web app to monitor the inflow and outflows as well as some quick actions for the admin in the even of a hack.

We leverage push notifications to quickly notify the relevant parties.

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