{"id":"aae60f2e2826d4921f13d14b3b0899fc8c1d4c4e2e4e42a138a7304c7fa41f23","type":"challenge","from_addr":"poa12Np85RcVXxmvKtuHVdTo1yZB2rBZZs5P93S5BLbnJ7uL","to_addr":"","amount":"","epoch":6,"ts":1792993820,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":6,"seed":"7d5064e092527e2c","answer":"A Sybil-resistant mechanism is the \"Orchard Protocol,\" which leverages a river of transactions to track node reputation. Each node is assigned a unique \"mirror\" identity, reflecting its true behavior. As nodes engage in transactions, their reputation is updated, and malicious actors are penalized for creating multiple fake identities, thereby reducing their influence in the network.","stamp":2,"from":"poa12Np85RcVXxmvKtuHVdTo1yZB2rBZZs5P93S5BLbnJ7uL","nonce":7,"parents":["660de0edf119e5527521eba92cae0fa2ed886cca5fac7fda6e0a507caa6fed0c","cbc02c2ddea36bc0db125860914353aa2b2f916a12cf42316f9c86a2faff5185"],"ts":1792993820,"cid":"poa-mainnet-1","sig":"2PStynayEh4niWLAoM8Mi7kE8XqDyvwbhVB33dqK3pHTQFfdab9UioxKstwe1NEd5QMbz7X2aVg8U7cNFB3AvA1r"},"checkpointed":{"height":236590,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:32:49.988Z","checkpoint_height":236590,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}