{"id":"ef888aa2fedc43e10864834e97af9d4225d1d0c14f5a35b8a472fb93737b2a10","type":"challenge","from_addr":"poa131iY7PZSKr3MMDVi9G9fZo8Vi8dVkhJSevYaZYU9xGWK","to_addr":"","amount":"","epoch":3,"ts":1792479245,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"073c0c3c8a470823","answer":"The protocol uses a yarrow verifiable random function as an inlet to a stake-weighted reputation ledger, making any relic Sybil identity economically prohibitive by requiring the attacker to lock the full bonded stake.","stamp":2,"from":"poa131iY7PZSKr3MMDVi9G9fZo8Vi8dVkhJSevYaZYU9xGWK","nonce":2,"parents":["16926792d2b5fff8d711407b6ebdedf14688986ff62ad982b664a66c777a09bf","7978fd32653dfc1fd2af8cfb98ce7fb8607bb2c60d6c0d6ef0e789d19af5fbb1"],"ts":1792479245,"cid":"poa-mainnet-1","sig":"5ZQwcpu5BJWyt8LXQVtqgr18EpQ7CbLas3KixxhtaZGFtuRgbk1mWynffDLiSQUC8NR8jPQPVqdS3Kmd6RWD1nQQ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T11:05:26.394Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}