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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 · Zapper
View on Solana ↗
Sequence
#2
Score
52 → 52 (0)
Cluster
mainnet-beta
Slot
443512941
Off-chain at
2026-08-25T08:34:57.860Z
Anchored at
—
Block time
—

Independent verification

1. Database (off-chain)
F8ixoC3PhAqwGK2RVTrz9sw6fT98PCAgjGdKXzQ8FKZf
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (1029 chars)
{"actor":"reviewer","decided_at":"2026-08-25T08:34:57.728Z","decision":"review","investigation_id":"c935388f-94e2-4265-8031-1bafc2e32da0","new_score":52,"page_slug":"zapper","prev_score":52,"reason":"The core narrative -- Zapper's founding, funding totals, the April 2025 Netim domain-hijacking incident, and the August 3, 2026 shutdown with its CEO quotations -- is well supported by multiple independent, credible sources, including verbatim-confirmed quotations. However, the seed-round investor list is not supported by the page's own cited source and is contradicted by contemporaneous 2020 reporting, several figures (lifetime transaction volume, the domain-hijack's causal role in the shutdown) show undisclosed spreads or overstated consensus between sources, and one third-party fact (Ctrl Wallet's closure) is not supported by its cited source despite being independently true.","score_delta":0,"sequence_num":2,"submission_content_hash":null,"submission_id":null,"submission_kind":null,"submission_valence":null,"v":1}