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0xCERT Security Advisory 0xCERT-2026-0242
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Advisory-ID:  0xCERT-2026-0242
Severity:     High
Published:    2026-10-13T00:00:00.000Z
Updated:      2026-10-15T07:23:32.498Z
Chains:       Ethereum, BNB Chain, Solana, Other / Multi-chain, Bitcoin, Polygon, Arbitrum, Optimism
URL:          https://www.0xcert.com/advisory/0xCERT-2026-0242

Title: Gamdom Hot-Wallet Breach

Summary
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A server intrusion drained crypto casino Gamdom's hot wallets across several chains for roughly $4.2 million in a suspected key compromise.

Details
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Summary
A server intrusion drained crypto casino Gamdom's hot wallets across several chains for roughly $4.2 million in a suspected key compromise.

Incident
- - Victim: Gamdom
- - Date (UTC): 2026-10-13
- - Estimated loss: $4.2M
- - Chain(s): Ethereum, BNB Chain, Solana, Tron, Bitcoin, XRP Ledger, Polygon, Arbitrum, Optimism
- - Attack type: private key compromise
- - Funds status: stolen

Recommended actions
- - If you use Gamdom, 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/gamdom-2026. Primary sources: https://www.cryptopolitan.com/gamdom-exploit-losses-pegged-at-4-2m-topping-firms-3m-estimate/ ; https://www.igamingrepublic.com/gamdom-temporarily-shuts-down-after-2-3m-leaves-hot-wallets/ ; https://www.kucoin.com/news/flash/gamdom-suffers-security-attack-over-4-2m-stolen-across-multiple-chains ; https://www.thegamblest.com/gamdom-lost-3m-following-security-breach/.

References
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- - https://www.blockchainbreaches.com/en/breaches/gamdom-2026
- - https://www.cryptopolitan.com/gamdom-exploit-losses-pegged-at-4-2m-topping-firms-3m-estimate/
- - https://www.igamingrepublic.com/gamdom-temporarily-shuts-down-after-2-3m-leaves-hot-wallets/
- - https://www.kucoin.com/news/flash/gamdom-suffers-security-attack-over-4-2m-stolen-across-multiple-chains
- - https://www.thegamblest.com/gamdom-lost-3m-following-security-breach/

Verify with the 0xCERT OpenPGP key: https://www.0xcert.com/pgp.asc
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