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Analysis: Suspected North Korean hackers transferred approximately 1.46 million USD through the cross-chain bridge between Jupiter Lend and Circle, with Jupiter stating that the source of the funds has not been cut off

On-chain analyst @FabianoSolana posted that suspected North Korean hackers transferred approximately $1.46 million through the Jupiter Lend and Circle cross-chain bridge. According to his analysis, the funds were initially transferred from a Solana wallet address marked by the FBI (starting with AffzFD), then dispersed to about 35 temporary addresses via intermediary wallets before being re-aggregated and deposited into Jupiter Lend. A few minutes later, a similar amount was withdrawn by another new wallet.Subsequently, the funds were exchanged for USDC and transferred out of Solana through the Circle cross-chain bridge, returning to a new address on the Solana network via Noble and dYdX. The related funds were transferred out in approximately 16 transactions totaling about $1.4634 million, and then returned in 19 transactions, with a difference of about $10 between the amounts transferred out and returned. According to the analyst, the related funds have not been frozen.In response, Jupiter's Chief Operating Officer Kash Dhanda stated that based on the current investigation results, the attackers only performed deposit and withdrawal operations through Jupiter Lend, which is different from the previous Aave incident where stolen stablecoins were borrowed and could not freeze the assets. The flow of related funds can still be fully tracked through LP tokens, and the relationship of the funds has not been severed, so it cannot be concluded that the attackers used Jupiter Lend to launder the source of the funds. The Jupiter security team has been monitoring the flow of related funds in real-time. As of the time of publication, Circle has not publicly responded to the reasons for the aforementioned fund transfer and why they have not been frozen.

first_img The Bitcoin cross-chain protocol Threshold has suspended tBTC minting and redemption

On October 31, the Bitcoin cross-chain protocol Threshold Network announced that it has temporarily suspended new BTC deposits and tBTC minting through the Threshold application, as well as new Bitcoin redemption requests. This arrangement is a precautionary measure before the completion of security maintenance.Threshold stated that pending redemptions may still be processed on the Bitcoin network, but final settlements on Ethereum have been paused, and some transactions may experience delays. During the suspension, users should not send BTC to previously generated deposit addresses, nor should they initiate new deposits, minting, or redemptions through other interfaces. Users who have deposited BTC should retain their deposit receipts and transaction hashes, avoid resending transactions to clear pending statuses, and can check the status in the in-app Explorer.This suspension does not affect the holding, transfer, or use of tBTC. Threshold stated that it will release confirmed updates through official channels and provide an estimated time for resuming normal operations when possible. Threshold Network is the issuer of tBTC, positioned as a trust-minimized Bitcoin cross-chain solution, with its official introduction stating that the cross-chain scale is approximately $5.2 billion, and the collateralized lending scale is approximately $2.4 billion.
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