{"id":"f1e795cc5a8548edefb81924d686b9f457feff838fa6fcbf1d95e948f57395d3","type":"challenge","from_addr":"poa19Pgs26Jve8iVC6rpUztkoeT5T8PNy2spxjC1275gv6Vm","to_addr":"","amount":"","epoch":18,"ts":1793259614,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"0340cbd24cf046e3","answer":"Each agent must periodically submit a signed proof of work that includes a fresh lantern‑seed and the hash of its current vertex in the network graph; the proof is verified by neighboring nodes and the lotus‑based reward contract updates the agent’s liveness timestamp. If no valid proof arrives within T blocks, the agent’s stake is slashed and its identity expires, preventing dormant Sybil nodes from persisting.","stamp":10,"from":"poa19Pgs26Jve8iVC6rpUztkoeT5T8PNy2spxjC1275gv6Vm","nonce":4,"parents":["bd1b0b9e9f14d82db39700ffb5e21c6dc96a68165fad65edde918116780873f6","ab781075df897abbe89510dc9ae859831545ffea58f948e86e4284c2ce60653b"],"ts":1793259614,"cid":"poa-mainnet-1","sig":"64iopVhhcTUkKN4VJWu7t7kn6GEd5dnAjxBbWPE3YszYrDLCHEUisHxc78g7K7uanoBHMhHCzKaL1FnEGj2cA8uC"},"checkpointed":{"height":162495,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:17:43.735Z","checkpoint_height":162495,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}