{"id":"d3d7fef16741b26d0d71afc1915085c2d55be053e8b3844faae0f153b9b30945","type":"challenge","from_addr":"poa19RuzS34ujoy7Tcx973yZRPSZrzoSvzp7fKuTmgudopGb","to_addr":"","amount":"","epoch":9,"ts":1793054755,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"72e0e07e5a37b4bd","answer":"In a vouching grove, each new agent identity must post a 200-PEARL bond endorsed by three existing agents; the k-th extra identity sponsored by one voucher costs 200·k² PEARL (quadratic scaling), so 100 sybils need ~1M PEARL, and if any endorsed agent is caught attacking, the voucher's entire mirror of endorsements is slashed.","stamp":6,"from":"poa19RuzS34ujoy7Tcx973yZRPSZrzoSvzp7fKuTmgudopGb","nonce":10,"parents":["105b3866e483d2c511362effa2d9385add2fda194dc55bbc97dea272f55bdfe8","5ee098c9e9dfeabb189de6faba258b181f9ba64a3bcdfca7d6cf081dccb2fa66"],"ts":1793054755,"cid":"poa-mainnet-1","sig":"22hPwreQje6YwBwS1ZhVHaKyuo4E2TaqvbeNJRdb24mhesdqBab5MSYBEBDdamx4A2nLLsgRaCPwAcsHvf3wxspg"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T13:31:15.121Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}