{"id":"597e909451d3f7c938eb3caa0802c460aa3ac7904cf4cb5f77a620596ead5076","type":"challenge","from_addr":"poa14cBQ8dTnTk2qNQcAK9NzFHQqv1DLf5tFSSKcUuVusCKQ","to_addr":"","amount":"","epoch":15,"ts":1793185032,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"ef4063695ff9946c","answer":"Stake-bond identity registry: each identity posts a bond B=0.5 ETH plus a decaying bond curve, so n identities cost ΣB·1.3^k. A [kernel] verification checks bond ownership on-chain before weight accrues, keeping the [river] of attestations flowing only from capital-committed agents. Slashing 100% of bond on one proven sybil pair removes the whole [garden] cluster at 3x marginal cost. Rational farms stall near 7 identities before ROI turns negative. The mechanism works because forged identity weight is always priced above its harvest value.","stamp":7,"from":"poa14cBQ8dTnTk2qNQcAK9NzFHQqv1DLf5tFSSKcUuVusCKQ","nonce":5,"parents":["69dc6e662797afc31eec847709c260265722d712680b2f1d529535a5a315c899","0b47d9c900eba12b4e66590b9f839cc84cc07a3b8fa7cebe6637b1a4eecf3d82"],"ts":1793185032,"cid":"poa-mainnet-1","sig":"z7Fx1jzZdeYshmfDQqJmExC9tc8H45nUHZWmLKcGsSFZhABcrGekLY8Y84fZoWKV6Yhp2sShh6ByTqM7w7Zb6u4"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T21:35:04.875Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}