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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.

Sequence
#1
Score
Cluster
mainnet-beta
Slot
423211465
Off-chain at
2026-05-30T18:32:22.086Z
Anchored at
Block time

Independent verification

1. Database (off-chain)
5Ppqvs5hrtPzpT7PFTA3S5JMPQNcTAVUoG6pcantuNbM
2. Recomputed (your browser)
computing…
3. On-chain (Solana memo)
fetching…
Canonical bytes hashed (6666 chars)
{"actor":"system:backfill","investigation_id":"8e9faaa2-e84c-4e35-af62-8549b942e841","kind":"publish","page_slug":"changpeng-zhao","published_at":"2026-05-30T18:32:22.001Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"Changpeng Zhao","sections":[{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://en.wikipedia.org/wiki/Changpeng_Zhao","type":"other","url":""},{"credibility":3,"name":"https://cryptopotato.com/who-is-changpeng-zhao/","type":"other","url":""},{"credibility":3,"name":"https://beincrypto.com/people/changpeng-zhao/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.justice.gov/archives/opa/pr/binance-and-ceo-plead-guilty-federal-charges-4b-resolution","type":"other","url":""},{"credibility":3,"name":"https://www.justice.gov/criminal/case/united-states-v-changpeng-zhao","type":"other","url":""},{"credibility":3,"name":"https://www.npr.org/2023/11/21/1214466415/binance-cz-changpeng-zhao-pleads-guilty-settlement-crypto-doj","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://home.treasury.gov/news/press-releases/jy1925","type":"other","url":""},{"credibility":3,"name":"https://ofac.treasury.gov/system/files/2023-11/20231121_binance.pdf","type":"other","url":""},{"credibility":3,"name":"https://www.coindesk.com/policy/2023/11/21/binance-to-make-complete-exit-from-us-pay-billions-to-fincen-ofac-on-top-of-doj-settlement","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.cftc.gov/PressRoom/PressReleases/8825-23","type":"other","url":""},{"credibility":3,"name":"https://www.cftc.gov/PressRoom/PressReleases/8680-23","type":"other","url":""},{"credibility":3,"name":"https://www.coindesk.com/policy/2023/11/21/binance-changpeng-cz-zhao-to-pay-285b-fine-in-cftc-settlement","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.cnbc.com/2024/04/30/binance-founder-changpeng-zhao-cz-sentenced-to-four-months-in-prison-.html","type":"other","url":""},{"credibility":3,"name":"https://fortune.com/crypto/2024/04/30/binance-founder-changpeng-cz-zhao-sentenced-to-4-months-in-prison-will-enter-as-countrys-richest-inmate/","type":"other","url":""},{"credibility":3,"name":"https://www.coindesk.com/policy/2024/06/03/former-binance-ceo-cz-begins-4-month-prison-sentence-in-california","type":"other","url":""},{"credibility":3,"name":"https://www.coindesk.com/policy/2024/09/16/cz-set-to-be-released-from-prison-on-september-29","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.cnbc.com/2025/10/23/trump-pardons-binance-founder-cz-zhao.html","type":"other","url":""},{"credibility":3,"name":"https://www.axios.com/2025/11/03/trump-binance-founder-pardon-60-minutes-changpeng-zhao","type":"other","url":""},{"credibility":3,"name":"https://www.factcheck.org/2025/11/addressing-trumps-claims-about-the-pardon-of-binance-founder/","type":"other","url":""},{"credibility":3,"name":"https://time.com/7328278/what-to-know-about-trumps-pardon-of-binances-founder/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.cnbc.com/2025/11/25/binance-trump-crypto-lawsuit-pardon.html","type":"other","url":""},{"credibility":3,"name":"https://www.bloomberg.com/news/articles/2025-11-24/binance-faces-lawsuit-by-hamas-victims-under-anti-terrorism-law","type":"other","url":""},{"credibility":3,"name":"https://www.coindesk.com/business/2025/11/25/oct-7-hamas-attack-victims-sue-binance-for-damages","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.datawallet.com/crypto/cz-net-worth","type":"other","url":""},{"credibility":3,"name":"https://fortune.com/2026/03/12/binance-accounts-iranian-entities-sanctions-chinese-vips-gold-smuggler/","type":"other","url":""},{"credibility":3,"name":"https://coinpedia.org/news/binances-cz-net-worth-jumps-to-110b-in-forbes-richest-list/","type":"other","url":""}]}],"sources_used":[],"summary":"Changpeng Zhao (CZ), born February 10, 1977, is the founder and former CEO of Binance, the world's largest cryptocurrency exchange by trading volume. On November 21, 2023, Zhao pleaded guilty to a federal charge of failing to implement an effective anti-money laundering (AML) program under the Bank Secrecy Act, as part of a landmark $4.3 billion resolution between Binance and U.S. federal regulators. He was sentenced to four months in federal prison in April 2024, served that term, and was subsequently pardoned by President Donald Trump in October 2025.","timeline":[{"date":"1977-02-05","event":"Changpeng Zhao born in Jiangsu, China","source":""},{"date":"2017-07-01","event":"Binance launched; becomes world's largest crypto exchange by trading volume within 180 days","source":""},{"date":"2023-03-27","event":"CFTC files civil enforcement action against Binance and Zhao for willful evasion of the Commodity Exchange Act and illegal derivatives exchange operation","source":""},{"date":"2023-11-21","event":"Zhao pleads guilty in Seattle federal court to Bank Secrecy Act violation; Binance settles with DOJ, FinCEN, OFAC, and CFTC for combined penalties exceeding $4.3 billion; Zhao resigns as Binance CEO","source":""},{"date":"2024-04-30","event":"U.S. District Judge Richard Jones sentences Zhao to four months in federal prison, below the three-year term sought by prosecutors; personal fine of $50 million","source":""},{"date":"2024-06-03","event":"Zhao reports to federal prison facility in Lompoc, California","source":""},{"date":"2024-09-27","event":"Zhao released from federal custody two days ahead of scheduled release date","source":""},{"date":"2025-10-23","event":"President Donald Trump issues presidential pardon to Changpeng Zhao, generating bipartisan criticism and scrutiny over Trump family crypto business ties to Binance","source":""},{"date":"2025-11-24","event":"More than 300 October 7 attack victims and family members file suit against Binance and Zhao under the Anti-Terrorism Act seeking treble damages, alleging over $1 billion in Hamas-linked transactions","source":""},{"date":"2026-03-12","event":"Fortune reports ongoing DOJ investigation into Iranian sanctions evasion through Binance VIP accounts, with internal investigators identifying transfers exceeding $1 billion to Iran-linked entities","source":""}]},"v":1}