On June 6, 2025, the Stacks-based DeFi protocol ALEX suffered an attack due to a token listing verification vulnerability, resulting in a loss of approximately $8.37 million, including 8.4 million STX, 21.85 sBTC, 149,850 USDC/USDT, and 2.8 WBTC. The vulnerability occurred in the on-chain self-listing verification logic.

ALEX Lab Foundation will fully compensate affected users in USDC based on the on-chain average exchange rate during the period of June 6, 2025, 10:00-14:00 UTC (which is 18:00-22:00 Beijing time). Affected users will receive on-chain private message notifications and claim forms before 7:00 AM on June 9 (which is 23:59 UTC on June 8). The deadline for claims is before 7:00 AM on June 11 (23:59 UTC on June 10). Upon confirmation, compensation will be issued within 7 working days.

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