Bankr Wallets Compromised in Social Engineering Attack, $440,000 Stolen

Bankr, an AI-driven crypto trading assistant, reported a security breach on May 20, 2026, where an attacker accessed 14 wallets, leading to losses exceeding $440,000. The company temporarily halted transactions and promised full reimbursement for affected users. The attack exploited a trust-layer vulnerability between Bankr's automation agents, Grok and Bankrbot, allowing unauthorized transaction signatures through manipulated prompts. Experts noted that the incident reflects a broader issue of social engineering vulnerabilities in AI-assisted crypto tools. Users are advised to refrain from signing transactions and to create new wallets to secure their assets. The investigation is ongoing, with Bankr emphasizing the need for users to take precautionary measures.

Key Points: • Bankr reported a breach affecting 14 wallets, with losses over $440,000. • The attack exploited a trust-layer vulnerability between AI agents Grok and Bankrbot. • Users are advised to stop using compromised wallets and create new ones for security.