Bifrost reported that a security incident affected three liquidity mining pools on the platform: the vDOT single-asset pool, the vASTR/ASTR pool, and the vMANTA/MANTA pool. According to the disclosure, the attack occurred on August 8 at 11:47 UTC, during which the attacker exploited an abnormal reward/weight amplification mechanism to transfer the principal from the associated shared Keeper Vault—approximately 881,150 DOT (valued at around $720,000 at the time)—which was subsequently converted and withdrawn off-chain.
Bifrost's three liquidity mining pools targeted in a security incident, with 881,150 DOT stolen.
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Summary
Bifrost confirmed a security incident on August 8 at 11:47 UTC, affecting three liquidity mining pools: vDOT single-coin mining, vASTR/ASTR, and vMANTA/MANTA. Attackers exploited a reward/weight amplification vulnerability in the contract security system to siphon funds from the Keeper Vault. A total of 881,150 DOT (approximately $720,000) was moved off-chain. The incident underscores risks in decentralized finance, particularly for mining node operators relying on smart contract infrastructure.
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