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BTC Unmanaged Bitcoin Bridge Boltz suspends services due to surge in AI-assisted attacks
Unmanaged Bitcoin Bridge Boltz has suspended its redemption services indefinitely because the surge in AI-assisted attacks exceeds the company's ability to secure infrastructure. Boltz allows users to exchange bitcoins between the main bitcoin blockchain, Lightning Network and Liquid sidechains without having to relinquish control of funds. Because the platform never hosts user assets, customers always retain ownership of their bitcoins throughout the redemption process.
In a statement on August 3, Boltz said that "automated, AI-assisted detection behavior has continued to increase" in recent months, and that attackers are discovering and exploiting vulnerabilities faster than their small team deploys fixes. The company said the pace of attacks has accelerated sharply in recent days, forcing it to keep redemption services offline while reviewing security measures.
Boltz said that because the platform is designed as an unmanaged model, no user funds have been damaged. "No user funds are at risk," the company added, adding that any losses will be borne by the company itself.
Yan Pritzker, co-founder and chief technology officer of Swan Bitcoin, said the incident highlighted the increasingly serious challenges faced by small cryptocurrency companies. "AI attackers are becoming increasingly complex, and small teams will have difficulty keeping up with attacks," Pritzker wrote on August 4. "In the era of big language models, building and running enterprise-level security measures requires huge overhead, which will put many innovative startups away from engaging in customer money-related services, even non-managed services."
The broader threat situation continues to deteriorate. On July 28, blockchain security company Blockaid reported that in the first half of 2026, cryptocurrency projects lost more than US$1 billion due to hacking, and the number of confirmed exploit incidents has exceeded the record for the whole of 2025.
AI reshapes the security landscape of cryptocurrencies
As the Boltz incident occurred, artificial intelligence was rapidly changing the cybersecurity situation on both sides of attack and defense. Coinbase announced on July 29 that it has reduced spending on its public HackerOne vulnerability bounty program after AI significantly increased the number of duplicate, low-quality and inactionable vulnerability reports. The exchange said AI is now able to identify many "conventional" vulnerabilities on a large scale at low cost, so it focuses rewards on complex, high-impact vulnerabilities that require human expertise.
GitHub has also made similar adjustments to its vulnerability bounty program, citing the overwhelming influx of AI-generated submissions that overwhelmed the security team. Charles Guillemet, chief technology officer at Ledger, has also warned that AI is changing the security landscape by lowering the threshold for discovering vulnerabilities and accelerating attackers 'ability to analyze code, making it increasingly important for cryptocurrency companies to conduct ongoing security reviews.
