Verify a decision

{"actor":"system:backfill","investigation_id":"58e16f5e-e997-46fd-93c1-c837c9e45ba3","kind":"publish","page_slug":"gmblcomputer","published_at":"2026-05-29T17:03:41.783Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"GMBL.COMPUTER","sections":[{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://gmblcomputer.gitbook.io/gmbl.computer","type":"other","url":""},{"credibility":3,"name":"https://coinmarketcap.com/currencies/gmbl-computer/","type":"other","url":""},{"credibility":3,"name":"https://arbiscan.io/token/0xE9A5aF50874c0ef2748b5DB70104B5ccb5557f6d","type":"other","url":""},{"credibility":3,"name":"https://cryptorank.io/ico/gmbl-computer","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://gmblcomputer.medium.com/gmbl-computer-exploit-postmortem-a09aa3297405","type":"other","url":""},{"credibility":3,"name":"https://beincrypto.com/defi-gmbl-computer-exploited-eth-funds-returned/","type":"other","url":""},{"credibility":3,"name":"https://www.web3isgoinggreat.com/single/gmblcomputer-exploit","type":"other","url":""},{"credibility":3,"name":"https://coincu.com/215747-gmblcomputer-key-leaked-loss-nearly-500-eth/","type":"other","url":""},{"credibility":3,"name":"https://slowmist.medium.com/slowmist-weekly-security-report-september-4rd-to-10th-3310d4258f48","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://beincrypto.com/defi-gmbl-computer-exploited-eth-funds-returned/","type":"other","url":""},{"credibility":3,"name":"https://www.web3isgoinggreat.com/single/gmblcomputer-exploit","type":"other","url":""},{"credibility":3,"name":"https://gmblcomputer.medium.com/gmbl-computer-exploit-postmortem-a09aa3297405","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://gmblcomputer.gitbook.io/gmbl.computer","type":"other","url":""},{"credibility":3,"name":"https://www.web3isgoinggreat.com/single/gmblcomputer-exploit","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://gmblcomputer.gitbook.io/gmbl.computer","type":"other","url":""},{"credibility":3,"name":"https://coinmarketcap.com/currencies/gmbl-computer/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://gmblcomputer.medium.com/gmbl-computer-exploit-postmortem-a09aa3297405","type":"other","url":""},{"credibility":3,"name":"https://slowmist.medium.com/slowmist-weekly-security-report-september-4rd-to-10th-3310d4258f48","type":"other","url":""},{"credibility":3,"name":"https://gmblcomputer.gitbook.io/gmbl.computer","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://coinmarketcap.com/currencies/gmbl-computer/","type":"other","url":""},{"credibility":3,"name":"https://dexscreener.com/arbitrum/0x70eb6e93e1f8bfb850126e23a1964fd3db789948","type":"other","url":""},{"credibility":3,"name":"https://www.coingecko.com/en/coins/gmbl-computer-chip","type":"other","url":""},{"credibility":3,"name":"https://coinbrain.com/coins/eth-0xa395bd32dd0ac0823bf160cd6e0db2ac08d7cdcd","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.web3isgoinggreat.com/single/gmblcomputer-exploit","type":"other","url":""},{"credibility":3,"name":"https://slowmist.medium.com/slowmist-weekly-security-report-september-4rd-to-10th-3310d4258f48","type":"other","url":""},{"credibility":3,"name":"https://twitter.com/gmblcomputer","type":"other","url":""}]}],"sources_used":[],"summary":"GMBL.COMPUTER is an Arbitrum-based DeFi gambling protocol that launched in September 2023 and was exploited within hours of going live, losing approximately 471 ETH (~$770,000) due to an off-chain server signature vulnerability and a flaw in its referral system. The exploiter returned roughly half of the stolen funds (235 ETH) after the team issued a conditional bug bounty offer. The protocol operates with an anonymous team, no disclosed security audits, no regulatory licensing, and as of 2025 shows near-zero trading volume and minimal on-chain activity.","timeline":[{"date":"2023-08-25","event":"GMBL token launches via Liquidity Bootstrapping Pool on Camelot Exchange on Arbitrum. Presale raised approximately $100,000.","source":""},{"date":"2023-09-05","event":"GMBL.COMPUTER protocol officially launches on Arbitrum mainnet.","source":""},{"date":"2023-09-06","event":"Exploit occurs within approximately 24 hours of launch. Attacker spoof-calls GMBL's off-chain server to obtain a valid signature, withdrawing approximately 471 ETH (~$770,000) worth of GMBL tokens. A secondary referral abuse vector allows approximately 8 million GMBL to be claimed on ghost bets. GMBL token price drops approximately 75%.","source":""},{"date":"2023-09-06","event":"GMBL team suspends all contract interactions and publicly identifies the attacker. Team issues a conditional bug bounty: return 90% of funds by 9 PM EST or face legal action.","source":""},{"date":"2023-09-06","event":"Attacker returns 235 ETH (~$382,000), approximately 50% of stolen funds, to GMBL's multisig wallet. Remaining ~236 ETH is not recovered.","source":""},{"date":"2023-09-07","event":"GMBL team publishes exploit postmortem on Medium, acknowledging the vulnerability was an off-chain server signature issue and a flaw in the referral system described as a 'one-line fix.' Team commits to third-party audits before relaunch.","source":""},{"date":"2023-09-10","event":"SlowMist includes the GMBL.COMPUTER exploit in their weekly security report covering September 4-10, 2023.","source":""},{"date":"2023-11-30","event":"GMBL token reaches all-time high price of approximately $0.171.","source":""},{"date":"2025-01-01","event":"Protocol shows near-zero trading volume and approximately 19 token holders. Market cap approximately $156,000. No confirmed successful relaunch with promised security enhancements has been publicly documented.","source":""}]},"v":1}