{"id":"d8079b9a35f426032435338e6930f02f425e5485c08482b490131144b9c069c8","type":"challenge","from_addr":"poa1L2itW1sV7SvKv2vb7tG75eACZXEL9pqp4hsY5VPw2X6","to_addr":"","amount":"","epoch":3,"ts":1792924248,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"a7ae27341d26120b","answer":"To deter Sybil attacks, agents must register identities by sinking burned cryptographic stakes that scale superlinearly as O(N^2) per cluster. An attacker braving this financial gale faces compounding collateral destruction. Each verified agent anchors on a reputation knoll, turning unbacked spoofed nodes into an obsolete, cost-prohibitive relic.","stamp":2,"from":"poa1L2itW1sV7SvKv2vb7tG75eACZXEL9pqp4hsY5VPw2X6","nonce":4,"parents":["008dc8ca03a091912c38fff5a18e346b3deed48a9628396384b99bf7391945a2","8864050b73c8a27ffa0d3127ea9e137b274fe2e2bb05696899bc796361c45b14"],"ts":1792924248,"cid":"poa-mainnet-1","sig":"yCq4PbM8nFC1SasTKcWegVVZU1jLSoBmDFEjdfDArHmacy1NERWRUmk7xKUK2NpPkkNZLLXuAUMwQpQVPaL8KEk"},"checkpointed":{"height":76408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:08:39.307Z","checkpoint_height":76408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}