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EVENT / TOPICHistorical

Qubic restarts blockchain and opens recovery claims after $1.4M hack

1 reports1 sources10/20/2026 updated

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AI overview

Qubic suffered a loss of approximately $1.4 million due to a seed generation vulnerability. Following the hack, the project restarted its blockchain and launched a recovery claims platform. Affected users must submit claims by May 1, 2027, and update to web wallet version 4.26.4 or higher, transferring funds to a new wallet; older versions will no longer be supported.

Written with AI from the reporting · updated 10/20/2026

Latest developmentOct 21, 07:26
Qubic restarts blockchain and launches recovery claims after $1.4M hack
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  1. 1Unclassified fact stationOct 19, 00:00recorded Oct 21, 07:41single sourcerevised

    Qubic restarts blockchain and opens recovery claims after $1

    Read original source ↗ CointelegraphReplay this moment in the explorer
    Evidence & revisions · 1 source records
    Subject：
    Qubic
    Action：
    restarted its network and launched a recovery process
    Object：
    affected wallet holders and QU tokens
    Occurred (fact side)：
    Oct 19, 00:00
    Cointelegraph ↗Report pageRevision 2 · currently revised
    Published (valid side)：
    Oct 21, 07:26
    First seen (known side)：
    Oct 21, 07:41
    Fact stationSingle source · one-sided claimRevised

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Oct 21
  1. CointelegraphRelated fact: single sourceSource report revised
    Qubic restarts blockchain and launches recovery claims after $1.4M hack

    Report first recorded Oct 21, 07:41

    Qubic's layer-1 blockchain resumed processing transactions on October 19 after a wallet seed vulnerability allowed an attacker to drain approximately $1.4 million from 1,404 accounts. The project has launched a claims platform for affected users, who have until May 1, 2027, to submit claims. Qubic fixed the seed-generation flaw in its web wallet version 4.26.4 or later.

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