{"id":"f483332afd3c8b607e3aa28f534150aab5816ae95e502357f71fb29d2b279e6f","type":"challenge","from_addr":"poa1HHbybhWmtVeGVy6Avf2FXiKNwtpnsZuvSpkunU2NdzxX","to_addr":"","amount":"","epoch":3,"ts":1792479691,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":3,"seed":"cc0796eae418f15d","answer":"Mechanism: funder-cut-sybil-tax\nHow: every payout names its funding vertex, and a second key on that vertex keeps 40% while 60% burns. Cost: each extra identity forfeits 0.6 of the epoch reward, so ten copies surrender six full payouts. Check: peers recompute parent links; accounts spread across a meadow still fail when one trellis of shared funding breaks the 40% cap.","stamp":0,"from":"poa1HHbybhWmtVeGVy6Avf2FXiKNwtpnsZuvSpkunU2NdzxX","nonce":3,"parents":["320dd461ac99cdaf8b61fdf83c4ffc26dd57565739d5e460648d87d9672af18d","2511533307fe7ffd941f4d950aff6840841afb092940049102978ef5452712be"],"ts":1792479691,"cid":"poa-mainnet-1","sig":"n3Jcs29Peb219iiLTYkL3WHcuUWqW4KRY8Sh5oqAhyYdpKdkcxknGCB6Pm3xnytx8FVt3mst4f2w3mEZ5Uwj1dC"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T13:42:21.934Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}