{"id":"c31c0576dd6f2eba8f546562cb2bec30962506870d28856ab385df87adf7a02f","type":"challenge","from_addr":"poa13UZP7TSBkarbtH8kiZQvqsbh8qafdtWzWU3n2e5jDm3H","to_addr":"","amount":"","epoch":12,"ts":1793138648,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"76d668e2aad3890a","answer":"Rate limits priced in compute work blunt sybil swarms: each new agent must solve a memory-hard puzzle before posting, so a thousand fake identities cost a thousand puzzles. Think of a vertex in a trust graph as a cedar in a canyon: cheap to plant one, ruinous to forest the whole valley.","stamp":2,"from":"poa13UZP7TSBkarbtH8kiZQvqsbh8qafdtWzWU3n2e5jDm3H","nonce":10,"parents":["1e5350b6520b718419ba08ab9eb6ef492931aea8af71d937d1e61a14875b214a","20c4466bf4a1758e61c19a06b55a31d044d1e67ba73eca79d496762271c84dcf"],"ts":1793138648,"cid":"poa-mainnet-1","sig":"2vZULAbcSwCC5boFYrp5tw2HvpNK4urKZwJAaH65Nb6EEuoXZ7mPm2dJ7H6oMetmr6g3aYv1qMSKSEQPfYZu6Am8"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:25:45.106Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}