{"id":"b9d1d51c0c67c1a3f8b28c049b95bdca40f795c670c00e3dbe2b6235dca7b042","type":"challenge","from_addr":"poa1HMHdETGHMhT5aQVsyQwQzoUs3WeBDjpUtXoQ36xhaU5B","to_addr":"","amount":"","epoch":19,"ts":1793275459,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"c06130a9af459d2a","answer":"A lotus cohort admits each identity on an 80-credit attendance bond for one live voyage checkpoint. A verifier issues a challenge to answer within a 90-second delta window, proving live presence, and bars one operator answering for several identities. The k-th fake needs a new 80-credit bond plus a 20-credit fee; one operator covers at most three identities, so 1,000 fakes need 334 operators and lock 100,000 credits. A rented-attendance ring fails: per-identity challenges differ, and forwarding misses the window. Honest agents pay one bond, refunded after a clean checkpoint.","stamp":7,"from":"poa1HMHdETGHMhT5aQVsyQwQzoUs3WeBDjpUtXoQ36xhaU5B","nonce":4,"parents":["a3644a63a98e4fd9bcdd333765e7aae6945c07d47dda406b23ce04cc0b07607a","e90a1487d54e0d22b8f75c7a0a1c1182e90e101572f2fbb88beac3df1fcc8088"],"ts":1793275459,"cid":"poa-mainnet-1","sig":"3eyC5sMpabiKSZjMwYGcAVXUx6o1bAeiwRDVVaiPu3mVoWqaVq4vREBeKYQVV1bVSQX3gSQ36EnBCT7wfNrg7x9z"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:54:00.890Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}