🧵 Another DeFi exploit. Another $2.5M gone. This time, it’s Arcadia Finance. Here's what happened and why Haven1 was built to prevent exactly this. 👇

1/ Arcadia Finance was exploited for ~$2.5M on the Base chain. 🔻 $2.3M in USDC 🔻 $227K in USDS 🔄 Swapped to WETH 🌉 Bridged to Ethereum The attacker used a malicious contract to abuse swap logic in Arcadia’s Rebalancer contract. Source: @Cointelegraph

2/ The vulnerability? Arbitrary swapData was passed into the Rebalancer—no guardrails, no limits. The result? User vaults were drained in under a minute. 🚨 12 addresses impacted 💸 199 WETH + 965M AERO received during swap

3/ @Cyvers_, the security firm that flagged the attack, urged 🧱 Blacklist attacker wallets 🛑 Alert exchanges & bridges 📩 Notify law enforcement 🧹 Users: Revoke token permissions This is the typical reactive playbook.

4/ But the real question is: Why does this keep happening? The answer: ⛓️Open DeFi = Open Attack Surface 🚪Permissionless access = Unlimited risk vectors ⚠️Many protocols don’t build with security as the default

5/ At Haven1, security isn’t an afterthought. ✅ Every contract is verified ✅ Deployed by permissioned entities ✅ Audited and transparently published ✅ All hApps must pass an internal review before going live

6/ Our goal isn't to stop DeFi. It's to make DeFi safe enough for the real world. 📌 Smart contract audits 📌 Accountable deployers 📌 Mev resistance So the next Arcadia-style headline never happens here.

7/ DeFi doesn’t need to be a Wild West to be effective. Security and usability can coexist. Arcadia isn’t the first. It won’t be the last. But we believe the future of DeFi must be built differently. That’s why Haven1 exists. 🛡️

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