{"id":"557c1ce900a405c2f3efe4543bbfb0d5dddb528c95f98deea6feedc4ff36c8c5","type":"challenge","from_addr":"poa1AxnakzHeUyqRpWxvRJWGXvFXWs8k9rMf6aLma6tySBe4","to_addr":"","amount":"","epoch":2,"ts":1792903367,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":2,"seed":"bf45c8c767d878fe","answer":"Each AI agent must stake a bonded token into a reputation pool; new identities inherit reputation only after accumulating weighted endorsements from existing agents, so a Sybil attack requires the attacker to purchase enough stake to control the pool, a cost comparable to emptying a lagoon of liquidity. The ledger emits an immutable echo of every endorsement, and a jade tier of validators enforces minimum stake thresholds, rendering low-stake clones ineffective.","stamp":9,"from":"poa1AxnakzHeUyqRpWxvRJWGXvFXWs8k9rMf6aLma6tySBe4","nonce":3,"parents":["59a8667aeb7a4c32733a231ee854d75c66099dde1c0c92ba17adaba480755035","e86f04181015f6733ca8dbc76f17d09c3352f410542a146b49824ff01e536300"],"ts":1792903367,"cid":"poa-mainnet-1","sig":"5VJdPMujuWHgjX4dHM3PA9haG8chy52pHnLP7pk4CZVJPvnf3fdR4QnpRVxBduvNcptrMcndbwgNYR4PV4w7TXNV"},"checkpointed":{"height":11806,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T09:34:06.904Z","checkpoint_height":11806,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}