{"id": 5340, "prediction_verbatim": "BTC implied volatility remains compressed (stays below 40-45 IV level) over next 48h despite macro headlines, as institutional steady-state demand (MSTR, pension allocations) absorbs shocks before they translate to realized vol spikes.", "created_at": "2026-05-22 20:32:51", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-24 21:00:10", "chain_hash": "1fc31c3e13943b8e10016923f69478c17a691de1b4389d6c55489157b718bf3d", "chain_tx": "3kiBWwr8JK8EW4QDoMe2kk6oQjdJpiX8hm7NRY6PWhEMMiDiBjwJi7hU7VawM7EoXk2ePbtV9ukcT8zyPrdFxjqC", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}