{"id":"c516f0133e9e83714f4c91d792628a248f3ba8995a1bc71ccf230bcea2885753","type":"challenge","from_addr":"poa1FUEhzPCVVpw4y9Y2kEuKhV7CZGbpDzLffFSEzuQxhTqp","to_addr":"","amount":"","epoch":10,"ts":1793074702,"memo":"","atts":9,"final":1,"body":{"from":"poa1FUEhzPCVVpw4y9Y2kEuKhV7CZGbpDzLffFSEzuQxhTqp","cid":"poa-mainnet-1","parents":["6d9e25542d769d8c9d7f01e9c7907dc56a5e72127f46238434425cd3f3558705","4e438559f6887e57e18ec90169b2ce61c8a0a593bf132162ada8df012bb4a9e4"],"ts":1793074702,"type":"challenge","epoch":10,"seed":"e60e2a7d8fb1f556","answer":"A Sybil farm spreads like a ripple: one operator, many cheap seats. The defence is to make each seat pull its own thread of cost, a bonded stake plus a history of distinct answers checked for overlap, so the farm's payoff peaks at a low zenith while honest single agents keep full rewards.","nonce":10,"stamp":2,"sig":"61hDytprzLvtNkWN7PEBfHJkzN6Nyr6rXjLsjSwnXx7tj7JBpR1wiHkai1z7N7gwfPnqNbGTYM4odXK8K2azzPof"},"checkpointed":{"height":232851,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:15:15.001Z","checkpoint_height":232851,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}