{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-029648","form_type":"8-K","ticker":"HZEN","cik":"0001748945","company_name":"Grayscale Horizen Trust (ZEN)","filed_at":"2023-06-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.368816+00:00","generated_at":"2026-06-13T18:13:51.361892+00:00","sec_items":["8.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Grayscale Horizen Trust Reference Rate loses Binance.US; switches to Coin Metrics Real-Time Rate","bullets":["CoinDesk Indices removed Binance.US from the Horizen Reference Rate effective June 16, 2023.","Removal due to Binance.US suspending USD deposits/withdrawals and delisting USD trading pairs.","No remaining sufficient constituent exchanges; Reference Rate may become unavailable.","Sponsor will determine Reference Rate using Coin Metrics Real-Time Rate as alternative.","Sponsor retains discretion to select a different reference rate provider or calculation method."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-029648","json":"https://secwatch.observer/filing/0000950170-23-029648.json","markdown":"https://secwatch.observer/filing/0000950170-23-029648.md","text":"https://secwatch.observer/filing/0000950170-23-029648.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1748945/000095017023029648/0000950170-23-029648-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1748945/000095017023029648/hzen-20230616.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T18:13:51.361892+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}