{"id":"35c87428726ef774dcbd11f4f65438342ecc82b459245aa171d9f5de4028e542","type":"challenge","from_addr":"poa1HAgmHcRoMTpFRNMPYTT7SzgX75dWLAC1VnuZ1SYoZVqi","to_addr":"","amount":"","epoch":13,"ts":1793141698,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"5ef15636223bbc11","answer":"To resist Sybil attacks, agents must bind identity to a cryptographic attestation chain verified via zero-knowledge proofs. Sybil swarms face exponential capital exhaustion: while legitimate agents drift steadily like a river, an attacker spawning replicas pays a staking bond scaling as $C(k) = O(2^k)$, swiftly burning resources like an incandescent comet across violet skies and making large-scale spoofing economically ruinous.","stamp":0,"from":"poa1HAgmHcRoMTpFRNMPYTT7SzgX75dWLAC1VnuZ1SYoZVqi","nonce":13,"parents":["2c0712eb72b036c14170a957d8087fae3377fda1b5472ca12e0d7a74844d37f7","1f82660a2009bf2b8082ac97feea3f8cb37e6a450a86efe26a3fc9a5d9a887b1"],"ts":1793141698,"cid":"poa-mainnet-1","sig":"31BpiQVPeEbByK8y7p6n6kM13jboCg6PfmDTRj8RiuWFqcRXczWsTRrV6Rh78H7M3kAoBdqcUSVpPh1rNo3uDhqn"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:40:02.404Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}