← Swaprum1 decision on this page
Audit log
Every state-changing event for Swaprum: moderation decisions on community submissions, plus corrections and updates from the news pipeline. URL-based decisions carry three independent witnesses — the original source, an Internet Archive snapshot taken at submission time, and a Solana memo signed by our publicly-disclosed publisher key.
- #1publishby system:backfill2026-05-28 15:51:45ZScore: ? → ? (no score change)anchoranchored
- chain
- ●mainnet-betaslot 422,751,047
- sig
2ZP5T3mi2nfX…iPT4NLaiexplorer ↗- hash
4V3nzmFdbBUn…oAxJsxXWsha256 → base58
verifying row…full verify ↗canonical bytes (9333 B) ▸
{"actor":"system:backfill","investigation_id":"f56b2285-3ee4-4af8-95dd-8f8dd602dfd0","kind":"publish","page_slug":"swaprum","published_at":"2026-05-28T15:51:45.359Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"Swaprum","sections":[{"content":"","heading":"","severity":"critical","sources":[{"credibility":2,"name":"PeckShield alert — Swaprum rug pull reported by CoinTelegraph","type":"news_article","url":"https://cointelegraph.com/news/alleged-swaprum-rug-pull-swipes-three-million-in-customer-funds"},{"credibility":2,"name":"The Block — Swaprum DEX team disappears with $3 million in apparent exit scam","type":"news_article","url":"https://www.theblock.co/post/231539/swaprum-dex-exit-scam-arbitrum"},{"credibility":1,"name":"SAPR Token on Arbiscan","type":"on_chain","url":"https://arbiscan.io/token/0x2aE25460c44d578E6f41aB900a7A5425b6492C16"},{"credibility":2,"name":"CryptoGape — Breaking: Swaprum DEX on Arbitrum rug pulls $3M","type":"news_article","url":"https://coingape.com/crypto-news-swaprun-dex-arbitrum-rugpulls-sapr-token-crash/"}]},{"content":"","heading":"","severity":"critical","sources":[{"credibility":2,"name":"QuillAudits — Decoding Swaprum Finance $3 Million Rug Pull","type":"research","url":"https://quillaudits.medium.com/decoding-swaprum-finance-3-million-rug-pull-quillaudits-2c6f9527b589"},{"credibility":2,"name":"Halborn — Explained: The Swaprum Rug Pull (May 2023)","type":"research","url":"https://www.halborn.com/blog/post/explained-the-swaprum-rug-pull-may-2023"},{"credibility":2,"name":"CryptoPotato — Swaprum DEX Drained in $3M Crypto Rugpull","type":"news_article","url":"https://cryptopotato.com/swaprum-dex-drained-in-3m-crypto-rugpull/"}]},{"content":"","heading":"","severity":"critical","sources":[{"credibility":2,"name":"PeckShield alert cited by AMBCrypto — Arbitrum spirals as customers lose $3 million in a rug pull scam","type":"news_article","url":"https://ambcrypto.com/arbitrum-spirals-as-customers-lose-3-million-in-a-rug-pull-scam-what-next/"},{"credibility":2,"name":"Daily Hodl — Arbitrum DEX Burns Investors With $3,000,000 Rug Pull Scam","type":"news_article","url":"https://dailyhodl.com/2023/05/20/arbitrum-dex-burns-investors-with-3000000-rug-pull-scam-according-to-blockchain-security-firm/"},{"credibility":2,"name":"QuillAudits — Tornado Cash transaction hash documentation","type":"research","url":"https://quillaudits.medium.com/decoding-swaprum-finance-3-million-rug-pull-quillaudits-2c6f9527b589"}]},{"content":"","heading":"","severity":"high","sources":[{"credibility":2,"name":"CertiK Skynet — Swaprum Project Insight","type":"research","url":"https://skynet.certik.com/projects/swaprum"},{"credibility":2,"name":"Decrypt — Another CertiK Audited Project Rugs as $3M Disappears From Arbitrum DeFi Exchange","type":"news_article","url":"https://decrypt.co/140744/certik-taking-heat-as-another-project-it-audited-swaprum-gets-rugged"},{"credibility":2,"name":"DL News — DeFi protocol in $3m scam was 'Certik audited'","type":"news_article","url":"https://www.dlnews.com/articles/defi/defi-protocol-swaprum-in-3m-rug-pull-was-certik-audited/"},{"credibility":2,"name":"Yahoo Finance — Another CertiK Certified Project Rugs","type":"news_article","url":"https://finance.yahoo.com/news/another-certik-certified-project-rugs-183430383.html"}]},{"content":"","heading":"","severity":"high","sources":[{"credibility":2,"name":"U.Today — Arbitrum Project Swaprum Suffers Rug Pull, Token's Value Falls to Zero","type":"news_article","url":"https://u.today/arbitrum-project-swaprum-suffers-rug-pull-tokens-value-falls-to-zero"},{"credibility":2,"name":"BecauseBitcoin — Swaprum DEX Team Vanishes in Apparent $3 Million Exit Scam","type":"news_article","url":"https://becausebitcoin.com/post/swaprum-dex-team-vanishes-in-apparent-usd3-million-exit-scam-on-arbitrum-network"}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":2,"name":"CoinGape — Breaking: Swaprum DEX on Arbitrum Rug Pulls $3M","type":"news_article","url":"https://coingape.com/crypto-news-swaprun-dex-arbitrum-rugpulls-sapr-token-crash/"}]}],"sources_used":[{"credibility":2,"name":"CoinTelegraph — $3M worth of customer funds swiped via alleged Swaprum DEX rug pull","type":"news_article","url":"https://cointelegraph.com/news/alleged-swaprum-rug-pull-swipes-three-million-in-customer-funds"},{"credibility":2,"name":"The Block — Swaprum DEX team disappears with $3 million in apparent exit scam on Arbitrum network","type":"news_article","url":"https://www.theblock.co/post/231539/swaprum-dex-exit-scam-arbitrum"},{"credibility":2,"name":"Decrypt — Another CertiK Audited Project Rugs as $3M Disappears From Arbitrum DeFi Exchange","type":"news_article","url":"https://decrypt.co/140744/certik-taking-heat-as-another-project-it-audited-swaprum-gets-rugged"},{"credibility":2,"name":"DL News — DeFi protocol in $3m scam was 'Certik audited'","type":"news_article","url":"https://www.dlnews.com/articles/defi/defi-protocol-swaprum-in-3m-rug-pull-was-certik-audited/"},{"credibility":2,"name":"QuillAudits — Decoding Swaprum Finance $3 Million Rug Pull","type":"research","url":"https://quillaudits.medium.com/decoding-swaprum-finance-3-million-rug-pull-quillaudits-2c6f9527b589"},{"credibility":2,"name":"Halborn — Explained: The Swaprum Rug Pull (May 2023)","type":"research","url":"https://www.halborn.com/blog/post/explained-the-swaprum-rug-pull-may-2023"},{"credibility":2,"name":"CertiK Skynet — Swaprum Project Insight","type":"research","url":"https://skynet.certik.com/projects/swaprum"},{"credibility":2,"name":"CryptoPotato — Swaprum DEX Drained in $3M Crypto Rugpull","type":"news_article","url":"https://cryptopotato.com/swaprum-dex-drained-in-3m-crypto-rugpull/"},{"credibility":2,"name":"CoinGape — Breaking: Swaprum DEX on Arbitrum Rug Pulls $3M","type":"news_article","url":"https://coingape.com/crypto-news-swaprun-dex-arbitrum-rugpulls-sapr-token-crash/"},{"credibility":2,"name":"AMBCrypto — Arbitrum spirals as customers lose $3 million in a rug pull scam","type":"news_article","url":"https://ambcrypto.com/arbitrum-spirals-as-customers-lose-3-million-in-a-rug-pull-scam-what-next/"},{"credibility":2,"name":"Daily Hodl — Arbitrum DEX Burns Investors With $3,000,000 Rug Pull Scam","type":"news_article","url":"https://dailyhodl.com/2023/05/20/arbitrum-dex-burns-investors-with-3000000-rug-pull-scam-according-to-blockchain-security-firm/"},{"credibility":2,"name":"U.Today — Arbitrum Project Swaprum Suffers Rug Pull, Token's Value Falls to Zero","type":"news_article","url":"https://u.today/arbitrum-project-swaprum-suffers-rug-pull-tokens-value-falls-to-zero"},{"credibility":2,"name":"Yahoo Finance — Another CertiK Certified Project Rugs","type":"news_article","url":"https://finance.yahoo.com/news/another-certik-certified-project-rugs-183430383.html"},{"credibility":1,"name":"Arbiscan — SAPR Token Contract","type":"on_chain","url":"https://arbiscan.io/token/0x2aE25460c44d578E6f41aB900a7A5425b6492C16"},{"credibility":2,"name":"Invezz — SAPR tokens worthless following $3M rug pull by Swaprum developers","type":"news_article","url":"https://invezz.com/news/2023/05/20/just-in-sapr-tokens-worthless-following-3m-rug-pull-by-swaprum-developers/"}],"summary":"Swaprum was an Arbitrum-based decentralized exchange (DEX) that launched in early 2023 and operated briefly before its anonymous development team executed a deliberate exit scam on May 18, 2023. The team exploited a backdoor function embedded in an upgraded smart contract to drain approximately 1,628 ETH (roughly $3 million) from user liquidity pools, then laundered the proceeds through Tornado Cash and deleted all official communication channels. No funds have been recovered and no arrests have been publicly reported.","timeline":[{"date":"2023-05-01","event":"CertiK begins smart contract audit of Swaprum at the team's request.","source":""},{"date":"2023-05-05","event":"CertiK publishes its audit of Swaprum, flagging 4 major findings related to centralization/privilege. Zero findings are fully resolved by the team.","source":""},{"date":"2023-05-18","event":"Swaprum deployer (0xaaf8b44376f4ef3eD477eeEB3553b7623FEF5E1c) upgrades the MasterChef reward contract to a malicious version containing add() and getToken() backdoor functions, executes the exit scam, and drains approximately 1,628 ETH (~$3 million) from user liquidity pools.","source":""},{"date":"2023-05-18","event":"Stolen ETH is bridged from Arbitrum to Ethereum mainnet via Multichain, AcrossProtocol, and CelerNetwork, then approximately 1,620 ETH is routed through Tornado Cash.","source":""},{"date":"2023-05-18","event":"SAPR token price collapses from approximately $0.147 to $0.000022, a decline of over 99%.","source":""},{"date":"2023-05-19","event":"PeckShield publicly alerts the community to the Swaprum rug pull via Twitter.","source":""},{"date":"2023-05-19","event":"Swaprum team deletes its Twitter/X account, Telegram group, and GitHub repository. The website remains accessible temporarily.","source":""},{"date":"2023-05-20","event":"Multiple major outlets including The Block, CoinTelegraph, Decrypt, and CryptoPotato publish full coverage of the incident. CertiK issues a statement clarifying the backdoor was introduced post-audit.","source":""}]},"v":1}Verify offline (run on your own machine)python -m src.verify_decision 0af0688d-67c7-4aab-9cc6-42cb1c265562
How verification works. The “Row integrity” check above is computed in your browser — your machine recomputes the SHA-256 of the canonical bytes and compares against the stored hash. No avoid.net server can fake that check. The “full verify” link goes one level deeper: your browser fetches the on-chain transaction from a Solana RPC node and confirms the same hash is in the memo. If you don’t want to trust either avoid.net or the public RPC, run the CLI verifier on your own machine —
python -m src.verify_decision <event_id>.