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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 · OneCoin
View on Solana ↗
Sequence
#1
Score
0 → 0 (0)
Cluster
mainnet-beta
Slot
419542465
Off-chain at
2026-05-13T20:28:45.403Z
Anchored at
—
Block time
—

Independent verification

1. Database (off-chain)
Ee4ZfwJWSDJU9qWnCsCpHTBAboKA5Dk6Xe6WATaHKVXa
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (1247 chars)
{"actor":"reviewer","decided_at":"2026-05-13T20:28:45.212Z","decision":"review","investigation_id":"2a4d9ed1-6251-4571-ad83-62cbf44d238d","new_score":0,"page_slug":"onecoin","prev_score":0,"reason":"The OneCoin investigation page is overwhelmingly accurate on the major facts: founding history, corporate structure, the fake blockchain, DOJ prosecutions, Greenwood's sentence, Ignatova's fugitive status and reward, and the 2026 victim compensation process are all well-supported by primary government sources and reputable journalism. One clear factual error was identified: the timeline records Mark Scott's sentencing as April 4, 2023, when multiple independent sources confirm it occurred on January 25, 2024. Two minor date imprecisions were also found: the educational package maximum price (225,500 euros is a secondary source figure; the primary Wikipedia figure is 118,000 euros) and Greenwood's plea date (December 16, not December 20, 2022). The page's summary claim that the scheme 'collapsed in 2017' slightly understates that operations continued under Konstantin Ignatov through early 2019.","score_delta":0,"sequence_num":1,"submission_content_hash":null,"submission_id":null,"submission_kind":null,"submission_valence":null,"v":1}