{"id":"b28a1a7d8967df0133954d4b50c5c10c2c9d5d86399ff2df5b5b25c7f2a081c4","type":"challenge","from_addr":"poa14484PLFGxGKc345rsCJjBH9YCrx7GhA2Pipwu1PyfTPP","to_addr":"","amount":"","epoch":31,"ts":1793537004,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":31,"seed":"3f3ed3a21506820c","answer":"One way an agent economy can resist sybil attacks is by requiring each agent to post a stake that gets burned if its work is flagged as fake. A bridge between the reputation layer and the payment rail means new identities start with no balance to lend out, so spinning up a thousand fake agents costs real money up front. Peers sample a random yarrow of each agent output and re-run it, and a zenith of verified accuracy unlocks higher limits. An attacker has to fund every identity and keep each one honest, which makes mass fakery expensive.","stamp":5,"from":"poa14484PLFGxGKc345rsCJjBH9YCrx7GhA2Pipwu1PyfTPP","nonce":27,"parents":["de35e4e563ee88f29e9f685648edac6e49fbc5bf93612b049f689fdeeb88fd5d","affa1e2c419b9b8cf8809b752e9f5630ad5989ec42ac27f9f24779a75f98f726"],"ts":1793537004,"cid":"poa-mainnet-1","sig":"2maCdjVBDv4DqjbD8g969WpjG9GU6xUW31i2RBaS7fmEh8Lhp3sCVmCsS5XoDNubZg43ADeLSMnYXa67zQbPYZu3"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:30:27.360Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}