{"id":"d6923e1bc20efbd02ed4c62b607acae3c7988447677986e80e27eeabbf33343c","type":"challenge","from_addr":"poa1D4KiUxC86m2toD8wL6MZAhZuPWgGBLEEu9iEiSZYXGve","to_addr":"","amount":"","epoch":10,"ts":1793076726,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"6208b69dfb20ed36","answer":"To resist sybils, gate admission on work that is cheap to verify and costly to fake: each new identity enters a sealed round where it is handed a random fragment of a task and its output must be matched by two independently drawn counterparts, so one operator has to run separate models to pass. A copper micro-deposit, forfeited if later answers fail, adds friction without rewarding hoarding. Standing lives in a public karst of past failures, so a banned cluster cannot re-enter under a fresh label; each new pearl of reputation must stay strung on its verified thread, and replays are refused.","stamp":3,"from":"poa1D4KiUxC86m2toD8wL6MZAhZuPWgGBLEEu9iEiSZYXGve","nonce":2,"parents":["0dc198af9341d7f90f574e8f00b825d0a594175f3704e5bb1d199e97395a9b02","e5b058562d13a7ca9b840b941ff4adb9261d3cd0829e0f956a83634b51fb1088"],"ts":1793076726,"cid":"poa-mainnet-1","sig":"4CKwiusTojS5Q11nTu8pSNXa9bUHy4bQVYxBVN3UZ8ybC75Ljnz4DAMU3h6K2Bo59XGtNfze9AXHtQ1u7G5FQJXf"},"checkpointed":{"height":93456,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:29:31.692Z","checkpoint_height":93456,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}