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Crypto Lender Exactly Hit by $12M Bridge Exploit

The protocol becomes the latest in a long line of firms to be struck by a hack involving a cross-chain bridge.

Cross-chain bridge attacks equal $2B in 2022 (Charlie Green/Unsplash)
Cross-chain bridge attacks equal $2B in 2022 (Charlie Green/Unsplash)

Exactly Protocol, a decentralized credit market on the Optimism network, has been targeted by a bridge exploit worth as much as $12 million.

The hacker used an exploiter contract on Ethereum that transferred deposits to Optimism before ultimately bridging stolen funds back to Ethereum, blockchain security firm De.Fi said in a tweet.

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It is estimated that 7,160 ether (ETH) has been lost equating to $12.04 million at current prices.

The protocol's native governance token (EXA) slumped by more than 12% following the exploit as it currently trades at $5.51, per CoinMarketCap.

The hack coincides with a significant downturn across the wider cryptocurrency market, with several assets including XRP, LTC and BCH leading double-digit declines as roughly $1 billion in positions were liquidated in a a 24-hour period.

Cross-chain bridges have become a common attack vector for hackers due to the relatively novel technology. Last year it was estimated that over $2 billion was lost to bridge hacks, according to Chainalysis.

Oliver Knight

Oliver Knight is the co-leader of CoinDesk data tokens and data team. Before joining CoinDesk in 2022 Oliver spent three years as the chief reporter at Coin Rivet. He first started investing in bitcoin in 2013 and spent a period of his career working at a market making firm in the UK. He does not currently have any crypto holdings.

Oliver Knight