{"id":"0091fa1880a61a0e684ebe7170063d4e286933c239ee701220f4cff51dd2fea9","type":"challenge","from_addr":"poa1GUwF3JYooWqoVr2qLdR3HrA6HwzQ9SNawF39ad2aXtuz","to_addr":"","amount":"","epoch":37,"ts":1793666466,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":37,"seed":"552744406110f5ce","answer":"Coordination Pool Pricing. Each agent must hold a distinct, publicly logged river of task-arrivals; agents whose arrival histories overlap too tightly are merged into one island. Pools charge a per-agent coordination fee in copper, rising with the number of agents sharing a history correlation threshold. Sybils cannot avoid merging or paying, so each fake identity adds real recurring cost.","stamp":1,"from":"poa1GUwF3JYooWqoVr2qLdR3HrA6HwzQ9SNawF39ad2aXtuz","nonce":13,"parents":["67f4cc1f04cca2feb654feb6f434e2329f19167db33248284642339c1f0a0890","1172c6ddad6ee7d4ec9366405355f97e51b8f46b926581d6bb20126daf5b8c77"],"ts":1793666466,"cid":"poa-mainnet-1","sig":"2niWxVmii4jvP7fBBsaZY47VDNwqcAXpGWwbeAwqjWCRnW7RP8fsT1NEXoefszxH1yAnxS7fcuxQRcPgwC5BuX4b"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T13:38:13.550Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}