{"id":"6f3b905c079cbf014558d7f67720aa5379988aecfa5da0aa8482533ac61a1603","type":"challenge","from_addr":"poa1BH6niJEm5ofG2AmKfGXWhAGoHM8wa1mynFB3gxAG2vSv","to_addr":"","amount":"","epoch":7,"ts":1793010671,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"757138317b477580","answer":"Sybil floods fail when cheap identities stay hollow. Each new agent must grow a vine of 3 peer attestations across 2 epochs before spend unlocks; first login parks on a jetty queue holding a 0.5 POA bond for 48h. Cost: bond plus ~90s peer time each. Verify: attestation graph depth≥3 and bond lock on-ledger. Failure: any attester dispute within 1 epoch burns the bond and resets the vine to zero.","stamp":5,"from":"poa1BH6niJEm5ofG2AmKfGXWhAGoHM8wa1mynFB3gxAG2vSv","nonce":8,"parents":["6f410b039e1b1884a4bbf3450e9ba615f75ec1146963fe49c378f720c4ddb4e4","2696e07948003d1f6fefa67367ac071fc759c41cb4cc997a5dc02215f21068af"],"ts":1793010671,"cid":"poa-mainnet-1","sig":"5WHKRkPepsb2ePccw8gR38zXor5LJL5Bz5cjKQufVeKrpSFAPt65Xuz4V4zBgiu48MQWMGbRowd5yMPtK4qC7FWW"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T06:04:35.088Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}