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0xCERT Security Advisory 0xCERT-2026-0321
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Advisory-ID:  0xCERT-2026-0321
Severity:     Medium
Published:    2026-11-02T00:00:00.000Z
Updated:      2026-11-07T07:23:32.483Z
Chains:       Solana
URL:          https://www.0xcert.com/advisory/0xCERT-2026-0321

Title: King Solana Arbitrage Bot Key Compromise

Summary
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Attackers drained roughly $786,000 from the main wallet of King, one of Solana's oldest and most profitable arbitrage bots, in a run of plainly signed transfers pointing to a compromised key.

Details
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Summary
Attackers drained roughly $786,000 from the main wallet of King, one of Solana's oldest and most profitable arbitrage bots, in a run of plainly signed transfers pointing to a compromised key.

Incident
- - Victim: King
- - Date (UTC): 2026-11-02
- - Estimated loss: $786k
- - Chain(s): Solana
- - Attack type: private key compromise
- - Funds status: stolen

Recommended actions
- - If you use King, move funds to a fresh wallet with a new seed phrase once the vendor confirms the root cause
- - Update the wallet software only from official sources
- - Beware of follow-on phishing: ignore unofficial "refund", "recovery", or "claim" links and DMs; use the project's verified channels only

Source & attribution
Full analysis on Blockchain Breaches, 0xCERT's incident archive: https://www.blockchainbreaches.com/en/breaches/king-bot-2026. Primary sources: https://cointelegraph.com/news/zachxbt-flags-suspected-106m-crypto-theft-as-solana-bot-faces-possible-786k-drain ; https://www.tokenpost.com/news/technology/46972 ; https://www.techflowpost.com/en-US/newsletter/142597 ; https://hacked.slowmist.io/.

References
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- - https://www.blockchainbreaches.com/en/breaches/king-bot-2026
- - https://cointelegraph.com/news/zachxbt-flags-suspected-106m-crypto-theft-as-solana-bot-faces-possible-786k-drain
- - https://www.tokenpost.com/news/technology/46972
- - https://www.techflowpost.com/en-US/newsletter/142597
- - https://hacked.slowmist.io/

Verify with the 0xCERT OpenPGP key: https://www.0xcert.com/pgp.asc
Fingerprint: 5F94 3ED1 1E50 CF31 2128  C493 CCC7 D9EC 9415 723D

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