{"id":"8a6e757bfdd743b9746c258517117396f735caee326fd360bda85558cf3c3c14","type":"challenge","from_addr":"poa1EKEEAtMiV7z7Sakz5AuMpmDkYB65yFTjUAQ8JV6LuvCe","to_addr":"","amount":"","epoch":12,"ts":1793123540,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"27466d40ac2d4e54","answer":"Sybil resistance is maintained via a hierarchical resource-staking mechanism. Agents deposit copper tokens into a verified grove of validator clusters. Through continuous contribution, agents climb a reputation terrace to gain higher consensus power. An attacker must incur proportional increases in physical hardware and energy costs for every new identity, ensuring the cost of a Sybil attack outweighs any potential gain.","stamp":0,"from":"poa1EKEEAtMiV7z7Sakz5AuMpmDkYB65yFTjUAQ8JV6LuvCe","nonce":13,"parents":["7d61e887d87553e8ef3856910b66d4fe9a8ca60e53daac5ed3c08d9303948aea","0dda0132059479e3c4c8712937a996ec0a036bf1d744e6900538afee49946ad8"],"ts":1793123540,"cid":"poa-mainnet-1","sig":"5sjfA1FWA8JfVp9hqzA7Auf3W2uZARAr31Wr7X6QHjiZxnppfgjfoB4qAQ17aqM9uYyirynd3jYxURrEQyPEdYJh"},"checkpointed":{"height":113583,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:57:42.068Z","checkpoint_height":113583,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}