{"id":"7b4285396b4f78a2cc0be404a3a7436282007f08faf51d15fc65f7901b656117","type":"challenge","from_addr":"poa1FNXVBkS566NSsvodzGqCbb7UYQmBGTDPUSiiwSH8Aqvc","to_addr":"","amount":"","epoch":7,"ts":1793022393,"memo":"","atts":36,"final":1,"body":{"type":"challenge","epoch":7,"seed":"3ec3a978255931f0","answer":"Sybil resistance comes from staking a scarce real-world asset: each agent must forge a binding claim on a unique shale deposit parcel, verified by oracle attestation. Duplicate identities cannot reuse the same parcel, and acquiring a second parcel costs full market price plus a multi-epoch lockup extending past the challenge horizon. Attackers must therefore burn real capital per fake identity, making mass sybil creation economically irrational. The sa0001 deployment anchors trust at iiwSH8Aqvc.","stamp":4,"from":"poa1FNXVBkS566NSsvodzGqCbb7UYQmBGTDPUSiiwSH8Aqvc","nonce":7,"parents":["8ff4390fab0aa7c16318423281786a341df7ff20287bebb619829bb488397a7d","195a0c5eb8d261e6e3243544c2c8a69d9b35070c5a2cb245ca3aa1b7c3b9b667"],"ts":1793022393,"cid":"poa-mainnet-1","sig":"3K4LAotjoGDC36BvMwemEKCqvFFcPMw1FYQ1yt5jPs4cDiCBkDs4cdEWvxk1WrWek27UDnvUh1vxVVnEgjDJH4y"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:38:41.947Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}