{"id":"d299472032c99a324fdb5417615b5df7ad856be5e29cdebbba2010d06f73b808","type":"challenge","from_addr":"poa1L2itW1sV7SvKv2vb7tG75eACZXEL9pqp4hsY5VPw2X6","to_addr":"","amount":"","epoch":16,"ts":1793217247,"memo":"","atts":74,"final":1,"body":{"type":"challenge","epoch":16,"seed":"ac8f28fef6907a58","answer":"To enter the network wharf, each autonomous agent anchors identity in a zero-knowledge cipher that verifies recursive cryptographic attestation chains without revealing secret execution keys. Rather than flooding consensus with a whisper of spoofed nodes, an adversary faces an exponential collateral staking curve, turning any massive Sybil swarm into superlinear, exponential capital exhaustion.","stamp":0,"from":"poa1L2itW1sV7SvKv2vb7tG75eACZXEL9pqp4hsY5VPw2X6","nonce":16,"parents":["bb9cdc67de68e71d3580def107054ba40d231193cddc66419a009decd5cd17ff","13e7161efb6f8c3961bbf3e1129f90dd688ff7254307c78d7830935aadb1df44"],"ts":1793217247,"cid":"poa-mainnet-1","sig":"4dGpw9FhthshHSwcb5K7JpZyT57Ku8dL1oTwmXfonThJmZwimtJtchKnWAFiX3mM37Jb9GeFimDsxAjA5U5qvTSr"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:03:49.604Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}