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Verify a decision

Every moderation decision on AVOID.NET is anchored to the Solana blockchain. You don't have to trust us — you can verify cryptographically that we committed to a verdict at a specific moment and have not rewritten it.

How verification works

  1. We commit. When a moderator accepts/rejects a submission, we serialize the decision into deterministic UTF-8 bytes (payload_canonical_string), hash it with SHA-256, encode the digest as base58, and write it to Solana inside an SPL Memo v2 transaction.
  2. We store the bytes. The exact bytes we hashed are stored alongside the decision in our database. Anyone can read them and recompute the hash in any language.
  3. You compare three values. Database hash, your independently-recomputed hash, and the hash inside the on-chain memo. If all three match, the decision is authentic and timestamped.
The on-chain memo format is AVOID.NET|v1|h:<b58-sha256>|d:<id>|t:<iso>

Find a signature on any investigation page's decision log, or run python -m src.verify_decision --signature <sig> for a CLI check.

Decision
publish · Dango
View on Solana ↗
Sequence
#1
Score
Cluster
mainnet-beta
Slot
422849389
Off-chain at
2026-05-29T02:41:07.245Z
Anchored at
Block time

Independent verification

1. Database (off-chain)
Az8MigwhMtFmUd9aujnn9QzitLk4rXEXhiFG7Cuny7F5
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (4595 chars)
{"actor":"system:backfill","investigation_id":"79a41b54-63cf-4342-8c1b-516bf780f51d","kind":"publish","page_slug":"dango","published_at":"2026-05-29T02:41:07.170Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"Dango","sections":[{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://grug.build/dango.html","type":"other","url":""},{"credibility":3,"name":"https://docs.dango.exchange/","type":"other","url":""},{"credibility":3,"name":"https://simplystaking.com/introduction-to-dango","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.gate.com/crypto-calendar/fundraising-information/106164","type":"other","url":""},{"credibility":3,"name":"https://web3.bitget.com/en/dapp/dango-24707","type":"other","url":""},{"credibility":3,"name":"https://www.rootdata.com/projects/detail/Dango?k=MTUyMTU%3D","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://phemex.com/news/article/dango-defi-platform-suffers-410010-usdc-exploit-due-to-logic-flaw-72936","type":"other","url":""},{"credibility":3,"name":"https://www.cryptointegrat.com/p/dango-perps-protocol-exploited-for","type":"other","url":""},{"credibility":3,"name":"https://ourcryptotalk.com/news/dango-perp-dex-exploit-insurance-fund-bug","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.mexc.com/news/1024306","type":"other","url":""},{"credibility":3,"name":"https://www.kucoin.com/news/flash/dango-resolves-exploit-after-white-hat-returns-funds-users-unaffected","type":"other","url":""},{"credibility":3,"name":"https://www.panewslab.com/en/articles/019d898e-f42a-739c-ab2a-3e26b912bbdf","type":"other","url":""},{"credibility":3,"name":"https://www.binance.com/en/square/post/312271750832898","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.cryptointegrat.com/p/dango-perps-protocol-exploited-for","type":"other","url":""},{"credibility":3,"name":"https://ourcryptotalk.com/news/dango-perp-dex-exploit-insurance-fund-bug","type":"other","url":""},{"credibility":3,"name":"https://phemex.com/news/article/dango-defi-platform-suffers-410010-usdc-exploit-due-to-logic-flaw-72936","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://web3.bitget.com/en/dapp/dango-24707","type":"other","url":""},{"credibility":3,"name":"https://airdrops.io/dango/","type":"other","url":""},{"credibility":3,"name":"https://coinlaunch.space/events-contests/dango-exchange-retrodrop/","type":"other","url":""}]}],"sources_used":[],"summary":"Dango (ticker: DNG) is a DeFi-native Layer-1 blockchain and perpetual futures exchange that raised $3.6 million in seed funding in November 2024 from Hack VC, Lemniscap, and Delphi Labs. On April 13, 2026, the protocol suffered a logic flaw exploit in its insurance fund donation contract, resulting in $1.9 million USDC being drained; approximately $410,010 was bridged to Ethereum before bridge rate limits halted further outflows. The attacker was identified as a white hat who returned all funds in exchange for a bug bounty, leaving user positions and trading functions unaffected.","timeline":[{"date":"2024-11-16","event":"Dango closes $3.6 million seed funding round led by Hack VC and Lemniscap, with participation from Delphi Labs, Public Works, Cherry Crypto, and Interop.","source":""},{"date":"2025-01-01","event":"Dango testnet 2.0 airdrop campaign opens; users begin accumulating points through trading and vault deposits across weekly epochs.","source":""},{"date":"2026-04-13","event":"Attacker exploits a sign-error logic flaw in Dango's insurance fund donation contract, draining approximately $1.9 million USDC from the perpetual futures collateral pool. $410,010 USDC is bridged to Ethereum before bridge rate limits halt further outflows. Dango pauses its chain and engages SEAL-911.","source":""},{"date":"2026-04-14","event":"Dango confirms the attacker self-identified as a white hat and agreed to return all funds in exchange for a bug bounty. Full $1.9 million USDC is returned. Team announces user funds were unaffected and no trading positions were impacted.","source":""},{"date":"2026-04-15","event":"Dango resumes points farming campaign and announces additional security reviews and removal of the vulnerable donation logic prior to full relaunch.","source":""}]},"v":1}