Qubic restarts blockchain after hack, opens recovery claims for affected wallets
Qubic has resumed network operations after halting its blockchain to contain a wallet seed vulnerability that exposed user funds to theft. The project says about $1.4 million in QU tokens was drained from 1,404 accounts, and affected holders can file claims until May 1, 2027.
Highlights
- Qubic layer-1 blockchain resumed operations at 8:00 pm on Oct. 19, restoring activity beyond tick 85,371,949 after a network halt caused by a hack.
- Qubic's Computors approved a recovery plan and launched a reclaim platform, requiring affected users to submit claims before the May 1, 2027 deadline.
- Qubic fixed an insecure random-number generator flaw in web wallet version 4.26.4 and urges users with earlier versions to migrate funds immediately.
Network recovery plan and claims timeline
As reported by Cointelegraph, citing Qubic, the layer-1 blockchain restarted processing at 8:00 pm on Oct. 19 and moved beyond tick 85,371,949, the point where the network was stopped on Sunday.The project said its validators, known as Computors, approved a recovery plan and launched a reclaim platform for affected wallet holders. Users can check whether their address is impacted and submit a claim through the platform before the May 1, 2027 deadline.
Security flaw raises wallet migration urgency
The network halt is intended to prevent further movement of stolen funds after attackers exploited predictable wallet seeds generated by vulnerable wallet software. Qubic says the issue affects seeds created through its web wallet on certain Apple devices and browsers, where an insecure random-number generator could produce predictable seeds.Qubic says it fixed the flaw in web wallet version 4.26.4, released on Oct. 19. The team warns anyone who created a wallet with an earlier web wallet version to treat it as insecure, update to version 4.26.4 or later, create a new wallet, and move funds out of the old wallet as soon as possible.
Our earlier article on Cohere’s planned acquisition of AI cybersecurity startup AISLE explained how the deal is designed to add software vulnerability detection and strengthen threat defense capabilities as Cohere expands in Europe alongside its Aleph Alpha merger. We also noted AISLE’s focus on finding previously unknown bugs in widely used software, underscoring how proactive vulnerability discovery is becoming central to modern security strategies.
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