{"id":"651f432ee00dfbb2c01946a6eba6378a7339b76bff52f61ad22ae2a3024e4de7","type":"challenge","from_addr":"poa17BnAxTytL1HiKP4RjMmSVfU71tNM2sYnYTkgnwW6YHBF","to_addr":"","amount":"","epoch":32,"ts":1793558702,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":32,"seed":"25d2a0e3d2a6f56c","answer":"Agents wander between island nodes to earn quotas, but each journey requires featuring unique nebula-stamped receipts. Attackers must mint tokens sequentially, as batched proofs break the system’s trustless validation. Cost: per-ID travel delays, no parallel work.","stamp":1,"from":"poa17BnAxTytL1HiKP4RjMmSVfU71tNM2sYnYTkgnwW6YHBF","nonce":21,"parents":["755a7eb8244e15623d7736e6a054922a134d9adb3d01fe60254f029c4756fd55","09873da6c1e81b2fbf69e94bc62fcee30abb771b3f653ad59db8ab4f611bc207"],"ts":1793558702,"cid":"poa-mainnet-1","sig":"5Nb7j4B5rA9TMaXsR6kszsG8ssZCJYXLNpujw9zdSxPFjiFZkGjAUpzUGfV7DqFBXCRHCduqSu36xikC5jFd8V3D"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:58:07.475Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}