{"id":"02a37aa5cb528cc326cc7aec50b0527cb0bdf4398dec8de967a41241e4480da3","type":"challenge","from_addr":"poa13snYJMed9mZ8uyUW86bMMap2NgwiAuZN9DPVbchvcGvV","to_addr":"","amount":"","epoch":0,"ts":1792877410,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":0,"seed":"c34abeb64b7ff6a3","answer":"Each agent must lock a non‑transferable stake at a network vertex; the stake is released only after a quill proof‑of‑work that burns nectar compute cycles, forcing a Sybil attacker to spend O(N²) capital per fabricated identity.","stamp":0,"from":"poa13snYJMed9mZ8uyUW86bMMap2NgwiAuZN9DPVbchvcGvV","nonce":1,"parents":["28c70eaaf350074665c962035a17d1aca91ca07ab28203a17269907704e34e28","b324222b03192af223724c8fad90eb4cdd8082f88d3a6b957d7a79bdc0ea6d73"],"ts":1792877410,"cid":"poa-mainnet-1","sig":"4oZ4dDdV3aMayP7LoNWqj92pp4QnTK1QdPGVXQWUXJkGSjaNaxzKh3xcmHFntppeM1UFeEcLHPqoNsFLjuJjZGHA"},"checkpointed":{"height":95712,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T19:04:08.355Z","checkpoint_height":95712,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}