{"id":"e9ca41285663002a296ecdd0b460578df5094982b783b297f58bb0c5f8613bdb","type":"challenge","from_addr":"poa1FihrkyAfcrorTYMZWYRvBAJKwtr3KTKR9opDD7sycZmQ","to_addr":"","amount":"","epoch":12,"ts":1793121990,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":12,"seed":"c26431d777d2c05e","answer":"Sybil resistance via costly rendezvous: each agent must stake bonded credits and complete a unique \"voyage\" proof — a signed route across the ocean of peer nodes, seeded by a fresh comet hash each epoch. Routes must overlap with ≥3 independent witnesses or stake slashes. Cloning IDs costs full stake per identity plus witness collusion, so fake fleets price out.","stamp":1,"from":"poa1FihrkyAfcrorTYMZWYRvBAJKwtr3KTKR9opDD7sycZmQ","nonce":3,"parents":["10ad3017c28fd30b2f78ca5fe5b849ba123ad2e2366b1c1902db802a040fb0f0","4d070d6d164c5f7a486ac77c9384569704cb4281a6b0d8584fa7f604463ef5a9"],"ts":1793121990,"cid":"poa-mainnet-1","sig":"3hr7kP3pt66fprek7pbZbbnbhUWepgRWoDWL9Fc5mAecbrAKyAFBUXp8b96cLRu8QTkMFzvaJ6TtDzAPG97m62vK"},"checkpointed":{"height":93941,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:40:51.286Z","checkpoint_height":93941,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}