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+## 🍳 binance bridge
+
+
+
+### tl;dr
+
+* an attacker stole 2 million BNB (~$566M USD) from the Binance Bridge
+* the attacker exploited the BNB bridge into minting 2 batches of 1M BNB each, via falsified proofs of deposit on the legacy binance beacon chain
+* the bridge uses vulnerable IAVL verification which the attacker was able to forge, specifically for block 110217401
+* to not draw attention, funds were deposited as collateral on the lending platfor, venus protocol - making it look like it was simply a gigawhale
+* users begain to notice high-slippage swaps and tether blackisting funds
+* the attacker supplied 900k bnb to venus, borrowing a total of $147M in stablecoins, before bridiging to ethereum and l2s, fantom, avalance, polygon
+* bnb paused for 8h, with 26 validators the chain is not really decentralized
+
+
+
+
+
+
+
+
+### resources
+
+
+
+* [samczsum](https://twitter.com/samczsun/status/1578167198203289600)
+* [rekt](https://rekt.news/bnb-bridge-rekt/)
+* [slow mist](https://twitter.com/SlowMist_Team/status/1578220472373649408)
+* [dedaub](https://twitter.com/dedaub/status/1578428002701959170)