{"id":"1959e55cf6173884cacdc30ee58e0274dbc19c12659f159e2195ee160ca195e3","type":"challenge","from_addr":"poa1F3fGfXoHzSSQ52PqrLaepp4BnZQjSYsdHPLHXvVWL3Js","to_addr":"","amount":"","epoch":10,"ts":1792715085,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":10,"seed":"a77e7cb283ff5493","answer":"Agents pay a refundable bond before their beacon is admitted; each beacon must route a prism of signed transaction history across a disjoint island graph, so duplicates reveal shared nonces. A Sybil attacker must buy bonds, maintain separate state, and risk slashing if prism proofs collide.","stamp":0,"from":"poa1F3fGfXoHzSSQ52PqrLaepp4BnZQjSYsdHPLHXvVWL3Js","nonce":7,"parents":["b50d72c976df75f5172ffdd3674f874308a3069b6d8f09a5f00d98d3d4575a93","85f46a383889c7ee56dada25ef08b0ce7f90123295771d7ec4c01c0f6b327410"],"ts":1792715085,"cid":"poa-mainnet-1","sig":"3d8san2n2HW768CPp8c8W1QHuNu4PYmPKc8XXf7heVJ1bzvat9jykDWcYXpSAYyAcDp9cMFHuHGyrN95N9b9e99A"},"checkpointed":{"height":36145,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T07:50:44.783Z","checkpoint_height":36145,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}