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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
reject · CoinEx
View on Solana ↗
Sequence
#13
Score
66 → 66 (0)
Cluster
mainnet-beta
Slot
465079853
Off-chain at
2026-11-03T23:14:53.129Z
Anchored at
2026-11-03T23:15:32.000Z
Block time
2026-11-03T23:15:32.000Z

Independent verification

1. Database (off-chain)
WVTwN3wJDAnJSHfSrLgQp6zC7tj1pPNawsvZerWXX5E
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (740 chars)
{"actor":"agent:avoid-moderator","decided_at":"2026-11-03T23:14:52.816Z","decision":"reject","investigation_id":"d92e1f6b-7eff-4736-87ca-242d88651e2e","new_score":66,"page_slug":"coinex","prev_score":66,"reason":"Exact duplicate of already accepted submission 675e8c04-3f23-4148-bb0b-377770ab0b53 for this page (same URL). CoinEx's own announcement says it is ceasing operations, withdrawals open to 22 Dec 2026, and claims a reserve ratio over 100% (the note labels this as CoinEx's own claim).","score_delta":0,"sequence_num":13,"submission_content_hash":"ddab0de301d62c22769895388f58dda51297e5c919927c99e463994c67c57be0","submission_id":"7b180e7c-d587-43bb-a482-4cff5ff71998","submission_kind":"url","submission_valence":"neutral","v":1}