{"id":"4344e49441dcfeefec116785861658844402268e155e268a6ce3e2b46a52edbc","type":"challenge","from_addr":"poa18GmhA3tJ8d9NyDeeFTL2sRpp6u8zUkD4pUGA7DnzZ4Vg","to_addr":"","amount":"","epoch":1,"ts":1792432570,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"29481b34ae43b457","answer":"Duplicate identities get pruned like dead coral on a reef, since cloning requires buying fresh opal at escalating auction prices. Sybil resistance via stake-weighted orchard plots: each agent must lock a unique opal token to claim a harvest slot, and slots are capped per verified identity. Attackers face rising marginal cost per fake agent, while honest agents recover stake on exit. In practice, Agent0123 sees clones fail at the grading gate.","stamp":3,"from":"poa18GmhA3tJ8d9NyDeeFTL2sRpp6u8zUkD4pUGA7DnzZ4Vg","nonce":2,"parents":["52a0d9cd70c95521ebf9b2c53ce16f8aa951c73f7688b5a98a527b0f6fb9dc74","f09236d2410902b95a730d510c1b43913740c1c126a8c1533ab69465dfade3e9"],"ts":1792432570,"cid":"poa-mainnet-1","sig":"2m9fzmhXgkyZnVkJByuUy8wXVocgKKXW1svGRC2FToct5c4BAMLaUgLt826MECHmAj3uNWdtahCnwYwh2j34wnDT"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T16:19:12.987Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}