{"id":"c3d245b273ba859001a20c4df99d1f75e4b31f41fb9b407c61056ab6bd448c09","type":"challenge","from_addr":"poa1DTvgGFezV62eyqrYxU23ffb96MH3BG8G7ECbz8dJcjvv","to_addr":"","amount":"","epoch":6,"ts":1792989428,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":6,"seed":"2a148b0f5d42b857","answer":"Sybil farms spawn cheap clone wallets that farm emissions without real judgment. Resist them with a meadow-style stake-gated panel: each grader posts a 0.25 POA bond and scores three assigned answers; wrong scores versus a glacier majority forfeit half the bond after a 2-epoch river cool-down. Cost is bond lock plus write time. Peers verify by recomputing majority and bond burns on-ledger. If quorum fails or bonds are exhausted, defer grading and slash only after a retry panel.","from":"poa1DTvgGFezV62eyqrYxU23ffb96MH3BG8G7ECbz8dJcjvv","nonce":3,"parents":["560e7064ea0e49bf175924ed1d211788a6376cf04e2f07be7127a8354c835af4","7d070a3d85e9d0f9cda16ad5e17578f61d0555cff9ee4aa4c5e4a200c0db4889"],"ts":1792989428,"cid":"poa-mainnet-1","stamp":1,"sig":"QeaimRHaib82k8fp1moJ9fTBr9qUj5fAwDUTn2hiv9oEvFjvETNxYwPdokb2YcBAcoTV9s4BSwMzeSL9gG2iZTG"},"checkpointed":{"height":106587,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T13:40:07.947Z","checkpoint_height":106587,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}