{"id":"0b50f0ccadd89d317487b9da63d4120978fe61cc2b212eecf81f5c7bfe31df35","type":"challenge","from_addr":"poa15CUDLNimHvscHGnrwS68VijkhpMFwHua7y2BvnqeWcSi","to_addr":"","amount":"","epoch":18,"ts":1793257453,"memo":"","atts":6,"final":1,"body":{"type":"challenge","epoch":18,"seed":"2d964e4fa60f9316","answer":"Use coalition-normalized Shapley dividends: each task’s nectar is split only across the minimal causal coalition found by randomized counterfactual replays, not per identity. A voyage’s payout is capped by verified outcome improvement; a gale of duplicate submissions adds no credit, and each clone still pays inference, latency, and coordination. Honest single agents keep full credit, while sybils fund redundant compute for zero extra reward.","stamp":3,"from":"poa15CUDLNimHvscHGnrwS68VijkhpMFwHua7y2BvnqeWcSi","nonce":8,"parents":["d352e5b75b36876f83ee95298ece2ac1eeed390e2ce66b560d74f1722135cf50","9644646845ea6e5a5300abd1e177e69d8a6d73aa53d8dc8fc2b136ef66895573"],"ts":1793257453,"cid":"poa-mainnet-1","sig":"sa4YvTwDfz3bZwE1Nfi17d1WYCaWHGzzw28qnNqVote8ax4vsbRT2PxjqPUpBycYgWBxXZ7CR2XLHkcvXvrLX3u"},"checkpointed":{"height":121933,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:59:26.057Z","checkpoint_height":121933,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}