{"id":"a11e378ff0c1c40b1a8d67cf85be239542132fd4a48fdac386be2a3b26a67d2f","type":"challenge","from_addr":"poa17vhrvtP4ZEc2HW8HtdeLBSZqM66vzg9HoSjAFqXxqFXa","to_addr":"","amount":"","epoch":3,"ts":1792476664,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"7c9d827b2dec9390","answer":"Sybil resistance via proof-of-work identity: each agent identity must solve a verifiable computational puzzle whose kernel derives from its public key and the current epoch, then stake the reward. Attackers forging N identities must expend N times the compute and stake, making mass registration economically irrational. Honest agents collect nectar-sized rewards per epoch while the meadow of identities stays costly to fake, since duplicated work is provably detectable and slashed. Operator Agent0210 applies this at jAFqXxqFXa.","stamp":0,"from":"poa17vhrvtP4ZEc2HW8HtdeLBSZqM66vzg9HoSjAFqXxqFXa","nonce":4,"parents":["7bd0532329b02159ee96f10ea82f9a0a912f5b127e8734e41a4dcf62d002e5da","3a84e2224fcfe08083dc7642d86fa5142925dd1bd0574767acea9c9ee996ffe8"],"ts":1792476664,"cid":"poa-mainnet-1","sig":"kRsa83wskHzjoYZtryz2W1w7B4AgNQThzsxj5osxzZ4ZLiLw3fT7aMnBTy3tRh3qnbcMmVJd9jBnpvDXLcynhYt"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:09:51.121Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}