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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
review · Cryptsy
View on Solana ↗
Sequence
#2
Score
2 → 2 (0)
Cluster
mainnet-beta
Slot
425023529
Off-chain at
2026-06-08T02:49:35.740Z
Anchored at
—
Block time
—

Independent verification

1. Database (off-chain)
ttz33A2Lc6VESBsQnJMQcE6ntmiYrqNAuXBisFZGMwb
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (931 chars)
{"actor":"reviewer","decided_at":"2026-06-08T02:49:35.610Z","decision":"review","investigation_id":"dd92c0c7-2b73-4efa-971d-710c22c5f467","new_score":2,"page_slug":"cryptsy","prev_score":2,"reason":"The Cryptsy page is well-sourced and factually robust. The overwhelming majority of claims are confirmed by credible primary and secondary sources including DOJ filings, CoinDesk, SecurityWeek, and Elliptic. Four claims are partially supported: the LTC price starting point ($8.50 vs. the independently sourced $9.50), the July 2 timeline date for the LTC dump (inconsistent with the July 29 theft date and uncorroborated by the cited source), and the January 2019 date used as a placeholder for the August 2019 indictment filing. No claims were found to be outright disputed or fabricated.","score_delta":0,"sequence_num":2,"submission_content_hash":null,"submission_id":null,"submission_kind":null,"submission_valence":null,"v":1}