Boltz suspends Bitcoin swap service amid AI-driven attacks

A non-custodial Bitcoin swap service, Boltz, has indefinitely suspended its operations after months of automated, AI-assisted attacks outpaced its small security team's ability to respond. The company announced the decision on August 3, 2026, stating that while all user funds remain safe, it can no longer responsibly maintain its swap service while under active, machine-speed assault.

According to Boltz, the service experienced a steady increase in automated probing and several contained exploits over recent months. The situation escalated sharply in the days leading to the shutdown, with attackers iterating and adapting their methods faster than the development team could identify and patch vulnerabilities. The company stated it is being actively targeted by multiple groups and does not foresee the asymmetry reversing soon. Crucially, Boltz emphasized that its non-custodial design-where users retain control of their assets through cryptographically secured atomic swaps-prevented any loss of customer funds. The company absorbed the operational losses from the contained exploits itself.

The suspension has caused immediate service disruptions for wallets and platforms that...