Self-custodial Bitcoin Lightning Network wallet Zeus Wallet takes its infrastructure offline following a cybersecurity incident on August 5, 2026. Founder Evan Kaloudis states that customer funds remain safe and the attack was mitigated within hours. The incident follows a separate suspension of Zeus' swap feature on August 3, 2026, triggered by Boltz halting operations due to AI-assisted hacking attempts. Zeus is auditing its systems and plans to integrate enclaves and the Validating Lightning Signer project to bolster security.
Zeus Wallet cybersecurity incident
- ▪Zeus Wallet founder Evan Kaloudis stated that the cybersecurity incident on August 5, 2026, was mitigated within hours and appeared limited to Zeus infrastructure.
- ▪Self-custodial Bitcoin Lightning Network wallet Zeus Wallet took its infrastructure offline on Wednesday, August 5, 2026, following a cybersecurity incident.
- ▪Zeus Wallet did not disclose the technical nature of the August 5, 2026, cybersecurity attack or provide a timeline for when services will resume.
Customer fund protection measures
- ▪Zeus Wallet reported finding no evidence that the August 5, 2026, cybersecurity incident affected external Lightning node software.
- ▪Zeus Wallet stated that customer funds were not at risk and its core custody protections remained intact during the August 5, 2026, cybersecurity incident.
LSP channel replacement policy
- ▪Zeus Wallet has not set a specific date to restore full service or complete the replacement of closed Lightning Service Provider channels.
- ▪Zeus Wallet announced that customers whose Lightning Service Provider channels closed during the August 5, 2026, incident will receive replacement channels once operations restart.
Infrastructure security audit
- ▪Zeus Wallet plans to work on trusted execution environments, also known as enclaves, to strengthen its infrastructure and reduce single points of failure.
- ▪Zeus Wallet is auditing its systems and reviewing its infrastructure before restoring services following the August 5, 2026, cybersecurity incident.
Boltz swap service suspension
- ▪Non-custodial Bitcoin swap service Boltz paused its services until further notice following a wave of artificial intelligence-assisted hacking attempts.
- ▪Zeus Wallet disabled its swap feature on Monday, August 3, 2026, after non-custodial Bitcoin swap service Boltz halted its platform operations.
Validating Lightning Signer development
- ▪The integration of the Validating Lightning Signer project aims to reduce single points of failure in Zeus Wallet's signing infrastructure.
- ▪Zeus Wallet plans to work on the Validating Lightning Signer project to strengthen its signing infrastructure following the August 5, 2026, cybersecurity incident.
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