Bitcoin bridge Boltz unintentionally triggered speculation that it had fallen under secret government pressure after missing the renewal deadline for its own warrant canary—the very transparency mechanism designed to reassure users that no secret legal orders had been received.

The lapse came as Boltz had already suspended its Bitcoin swap service indefinitely following months of AI-assisted cyberattacks, creating a perfect storm that fueled fears across the Bitcoin community before the company eventually renewed the canary and denied receiving any government requests.

Boltz suspended its non-custodial Bitcoin swap service on Aug. 3 after warning that attackers using artificial intelligence had been probing its infrastructure for months and were now discovering vulnerabilities faster than its small development team could patch them.

The shutdown affected swaps between Bitcoin's main chain, the Lightning Network and Liquid, disrupting services that rely on Boltz, including Bull Bitcoin and Aqua wallets. The company said it could no longer safely operate the platform while defending against increasingly sophisticated attacks.

At almost the same time, users noticed something else.

Boltz had failed to renew its warrant canary—a PGP-signed statement periodically confirming that it had not received secret government demands for user information. The previous canary, published on May 31, promised an update every 60 days, making July 30 the expected renewal date. Instead, the company remained silent for more than five days before publishing a new canary on Aug. 5.

Boltz's own warning fueled the panic

The delay immediately raised alarms because of the language Boltz itself had chosen. Its previous warrant canary instructed users to "assume the worst" if the statement was not renewed on schedule.

Within hours, some members of the Bitcoin community began speculating that the company had received a secret subpoena, gag order or other government demand that prevented it from updating the notice.

Bitcoin commentator Adam Simecka described the expired canary as an "authenticated deadman switch," claiming it indicated that a government agency had taken control of Boltz. He later urged users to distrust further communications from the company, suggesting its developers could be operating under duress. Similar concerns also surfaced on Stacker News, where users pointed to the missed deadline as a potential warning signal.

Boltz has since renewed the warrant canary using its normal PGP signing key. The updated notice states that the company has received "0 requests for information of any kind by any third parties including but not limited to government agencies." It also contains a recent Bitcoin block hash, matching the format used in previous canary updates.

Supporters of the project argue the controversy resulted from poor timing rather than government intervention. They noted that warrant canaries are updated manually and said the team simply overlooked the deadline while focusing on containing the ongoing security incident.

A reminder that warrant canaries rely on trust

Warrant canaries are designed to alert users if a service can no longer truthfully state that it has avoided secret government demands. Because companies may be legally prohibited from disclosing certain investigations, many choose to periodically publish signed statements confirming that no such requests have been received.

When those statements suddenly stop appearing, users are left to interpret the silence. In Boltz's case, the combination of an indefinite service shutdown, mounting AI-driven attacks and a missed warrant canary renewal transformed a procedural oversight into a full-blown trust crisis.

Although the company now says it has received no government requests, the incident demonstrates how transparency tools intended to build confidence can just as quickly undermine it when they fail at the worst possible moment.