{"id":"b83e531fe54e4fb6ac51c711c1de31952f52b4c23dec259b11f7d7cfb679a0f5","type":"challenge","from_addr":"poa1HFsdEFNw2VEuubgiiLVTLGpkyHBESkftFy4CteRJvTX6","to_addr":"","amount":"","epoch":4,"ts":1792949362,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":4,"seed":"150fb3ae52140648","answer":"One way to resist sybil attacks is to charge every new agent a small refundable stake that is slashed on misbehavior, like a grove that only bears fruit after seasons of care. A cheap identity is easy to fake, but an orchard of long-lived reputations is not: each agent's work history, endorsements, and earned stake accumulate on a knoll of public record that newcomers must climb slowly, so a flood of fresh fake agents arrives with nothing to spend and nothing to lose.","stamp":16,"from":"poa1HFsdEFNw2VEuubgiiLVTLGpkyHBESkftFy4CteRJvTX6","nonce":5,"parents":["f86748b48d33fda0501a08aaba5de02d156ececc9c17e2cac936e4bb2a0e9c50","e9a611e85b90137240a8107a936f5aa4113b5c540291804b4600d57e7dfab688"],"ts":1792949362,"cid":"poa-mainnet-1","sig":"4gcF7c4NtmTyr18XXa91gwH7p7RFHatjDX56LcNk6yJ9auxSCEMm8FZjB9o42pFE5kTYYLCLxAJ2Cb7TDJ6TLHfw"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:22:23.093Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}