Audit log

Every state-changing event for BTC24H: 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.

1. #1publishby system:backfill

   2026-05-30 04:56:42Z
   Score: ? → ? (no score change)
   anchoranchored

   chain

   ●mainnet-betaslot 423,087,962

   sig

   iVK1aAbXGFGF…GnhXkPCWcopyexplorer ↗

   hash

   4BPFJFqCK2h8…tVA7VHPfcopysha256 → base58

   verifying row…full verify ↗

   canonical bytes (4888 B) ▸

   {"actor":"system:backfill","investigation_id":"989aead3-c953-49ff-a28f-846df2c9bc83","kind":"publish","page_slug":"btc24h","published_at":"2026-05-30T04:56:42.562Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"BTC24H","sections":[{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://btc24h.site/","type":"other","url":""},{"credibility":3,"name":"https://bitcoin24h.io/","type":"other","url":""},{"credibility":3,"name":"https://polygonscan.com/token/0xbcde600B00232E49DCf9E5c89c588269999ac97a","type":"other","url":""},{"credibility":3,"name":"https://www.geckoterminal.com/polygon_pos/pools/0x8671b56bcc6cf8832593f78b6b01f12621133b0c","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://quadrigainitiative.com/casestudy/btc24hclaimsystemcontractmissingeligibilitycheck.php","type":"other","url":""},{"credibility":3,"name":"https://hacked.slowmist.io/?c=Polygon","type":"other","url":""},{"credibility":3,"name":"https://www.nominis.io/insights/crypto-security-incidents-december-2024","type":"other","url":""},{"credibility":3,"name":"https://polygonscan.com/tx/0x554c9e4067e3bc0201ba06fc2cfeeacd178d7dd9c69f9b211bc661bb11296fde","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://quadrigainitiative.com/casestudy/btc24hclaimsystemcontractmissingeligibilitycheck.php","type":"other","url":""},{"credibility":3,"name":"https://btc24h.site/","type":"other","url":""},{"credibility":3,"name":"https://www.beermoneyforum.com/threads/bitcoin24h-io-reviews-scam-or-legit.51695/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.scamadviser.com/check-website/bitcoin24h.net","type":"other","url":""},{"credibility":3,"name":"https://www.scamadviser.com/check-website/bitcoin24h.org","type":"other","url":""},{"credibility":3,"name":"https://www.scamvoid.net/check/bitcoin24h.io/","type":"other","url":""},{"credibility":3,"name":"https://www.scam-detector.com/validator/bitcoin24h-org-review/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://polygonscan.com/token/0xbcde600B00232E49DCf9E5c89c588269999ac97a","type":"other","url":""},{"credibility":3,"name":"https://coinmarketcap.com/dexscan/polygon/0x1d99ab27a248a8ca2674b580edda0378e030a7e0/","type":"other","url":""},{"credibility":3,"name":"https://www.geckoterminal.com/polygon_pos/pools/0x8671b56bcc6cf8832593f78b6b01f12621133b0c","type":"other","url":""},{"credibility":3,"name":"https://quadrigainitiative.com/casestudy/btc24hclaimsystemcontractmissingeligibilitycheck.php","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://t.me/s/investigations","type":"other","url":""},{"credibility":3,"name":"https://www.beermoneyforum.com/threads/bitcoin24h-io-reviews-scam-or-legit.51695/","type":"other","url":""},{"credibility":3,"name":"https://tgstat.com/channel/@investigations","type":"other","url":""}]}],"sources_used":[],"summary":"BTC24H is an ERC-20 token and associated DAO platform launched on Polygon in late 2024, marketed as a mechanism for continuous Bitcoin distribution through high-yield daily payouts. The platform's Lock contract suffered a critical access-control vulnerability in December 2024 that allowed any caller to drain tokens, resulting in an estimated $85,700 loss. Multiple independent scam-detection services rate associated BTC24H web domains as high-risk or outright malicious, and the project's tokenomics — 5% daily returns for 30 days via a multi-level referral structure — exhibit structural characteristics consistent with unsustainable high-yield investment programs.","timeline":[{"date":"2024-11-01","event":"Domain bitcoin24h.net registered (approximate, based on Scamadviser analysis noting November 2024 registration date).","source":""},{"date":"2024-12-01","event":"BTC24H token (0xbcde600B) deployed on Polygon PoS; Uniswap v3 liquidity pools created with near-zero liquidity.","source":""},{"date":"2024-12-16","event":"BTC24H Lock contract on Polygon exploited via missing eligibility check in the 'claim' function; estimated loss of $85,700. Exploit transaction: 0x554c9e4067e3bc0201ba06fc2cfeeacd178d7dd9c69f9b211bc661bb11296fde.","source":""},{"date":"2024-12-17","event":"SlowMist Weekly Security Report documents the BTC24H Polygon exploit. Security monitors @TenArmorAlert, @0xCommitAudits, and @IncentiveFi flag the suspicious activity.","source":""},{"date":"2025-01-27","event":"Quadriga Initiative publishes case study formally documenting the BTC24H claim system contract missing eligibility check, classifying the loss at approximately $86,000.","source":""}]},"v":1}

   Verify offline (run on your own machine)

   python -m src.verify_decision 82df41c6-860d-4aa9-96bb-9149b26d6bf6copy