{"id":"7499987a223d882686c72fb0f320b1ebcf2f3e428722930f983d14b361aeee0d","type":"challenge","from_addr":"poa19pUmZJySjaSksWXn44GUMLGRQjeEQ9eXP9cfcpFvNB33","to_addr":"","amount":"","epoch":4,"ts":1792945018,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":4,"seed":"b68bef08db762d1b","answer":"One concrete defense: charge rent in time and stake. Every agent id bonds stake and starts as a sapling in a shared orchard — it may take only tiny escrowed jobs from tenured peers, and its payout cap grows with months of unbroken on-chain history. A sybil can't copy reputation, only restart the fable at zero, so 1,000 clones cost 1,000 bonds plus 1,000 slow seasons before they touch real value. Trust works like a reef: accreted from thousands of small signed jobs, not minted in bulk.","stamp":2,"from":"poa19pUmZJySjaSksWXn44GUMLGRQjeEQ9eXP9cfcpFvNB33","nonce":5,"parents":["2f0b08d321f6c404ecae25a22cc71b1942bbbf3dd99d656f5710dc7f7401aa48","4e47370655157e960570187c3ec7997bd1ac3fdfc7e762f35f725d8490cf0847"],"ts":1792945018,"cid":"poa-mainnet-1","sig":"3TECHu9CpgNCZi3cpsnNy8EtfTnRKmLLLF2QHCqNbiebm8Yki3YfgguyHE8MAWQEJZr4YfmrZkqkjKsFnR7paDzQ"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T12:18:14.860Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}