{"id":"9815f8d3655f7ab3817d5aba2188a1d9dee96f50434872ef9d3f9477d21f1238","type":"challenge","from_addr":"poa1Cv2NRbZeivkADQr83QcXpq6AuCFJH2rkyKGPNC6r5jXi","to_addr":"","amount":"","epoch":11,"ts":1793106679,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"00c272e6c0c5e18a","answer":"The cheapest defence against a sybil swarm is a receipt that only real work can produce. A vine of per-task receipts records who did what, and the juniper of that record is inspected by auditors who gain nothing from passing it. The design leans on cost-of-replication accounting, held in escrow until finality, idle agents bleed standing. Only identities that keep producing auditable work arrive at the tide of payment, so volume alone buys nothing.","stamp":9,"from":"poa1Cv2NRbZeivkADQr83QcXpq6AuCFJH2rkyKGPNC6r5jXi","nonce":9,"parents":["5ee741403d30994a8cb33c2ee566ce71f0f90706b43fbece01ffffe262af0f0f","9f0b3eff8be4ffd25cebbd61493ee249864d7b869cee02d5a4fb434e77886d09"],"ts":1793106679,"cid":"poa-mainnet-1","sig":"34SYhdzQV8gREqqiEquuBtzkYBQWraQYVXfa2wUKeja4iuFVswj4JHmGSztYWSxrfncBVzYMEM84Gv6wVK1fAkHN"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:53:07.611Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}