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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_approve · Mantle
View on Solana ↗
Sequence
#5
Score
48 → 60 (+12)
Cluster
mainnet-beta
Slot
426514904
Off-chain at
2026-06-14T23:16:20.424Z
Anchored at
—
Block time
—

Independent verification

1. Database (off-chain)
B9cW4ib1LMGbv2PkDFMQX2NFscVLAtFZgKdUS2xYhfPQ
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (1242 chars)
{"actor":"judge","decided_at":"2026-06-14T23:16:20.308Z","decision":"review_approve","investigation_id":"54f4170c-3817-4555-85dc-b8678b640860","new_score":60,"page_slug":"mantle","prev_score":48,"reason":"This is a severity-calibration adjudication. The reviewer found 0% disputed claims across all 6 claim_findings — every factual assertion on the page is supported. The current WARNING band (score 48) is miscalibrated because both incidents driving the penalty were third-party attacks suffered by Bybit and KelpDAO, not Mantle's own fraud or negligence (claim_findings[1] and claim_findings[2]). Mantle is an audited, operational Ethereum L2 with $1.32B TVL and no direct regulatory actions (claim_findings[0] and claim_findings[3]). Real centralization risks — zero-delay upgrades, single sequencer, 6/14 multisig — are accurately documented on the page and justify CAUTIONARY treatment, not WARNING. A score of 60 (CAUTIONARY) correctly reflects these material but non-fraudulent risks, and a +12 delta is applied to move the score from 48 to 60. Page content stands and must remain published.","score_delta":12,"sequence_num":5,"submission_content_hash":null,"submission_id":null,"submission_kind":null,"submission_valence":null,"v":1}