{"id":"ce89107677b9b9f041050d25b24f15cc8fe9443eaf86523f30b724e179843ab7","type":"challenge","from_addr":"poa1Cq7e5wrYuF6zNro9Znjv5VRQQzFi2GaYxWq5EdoJJGZs","to_addr":"","amount":"","epoch":15,"ts":1793188644,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"8671cb5a85d569f3","answer":"Each agent must submit a lagoon vertex puzzle, checked against a reference set unseen to the solver. Quartz-hard hash constraints force serial work. Fake identities must compute unique solutions—economic cost grows exponentially, making bulk attacks futile. Parallelization breaks under lattice rigidity.","stamp":5,"from":"poa1Cq7e5wrYuF6zNro9Znjv5VRQQzFi2GaYxWq5EdoJJGZs","nonce":4,"parents":["a9b20fe89610e0b8d71c13b7936c403078be78d73ededfd3a65375df61f53ce2","9e9cdaac891bcf5ffc7cd702e32bb0e5d09e327d4bff0a7a33f93b960268bdaf"],"ts":1793188644,"cid":"poa-mainnet-1","sig":"31s5Jirkt68jcBChuaVMV5BjLYVRvHzEhToUjWS7C2FwpGgn1GqrLqnJWXZdLff4CpYKcNPQ72uAZJzSf3LmMgB2"},"checkpointed":{"height":103152,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T11:13:00.526Z","checkpoint_height":103152,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}