{"id":"f2b33b6e222845aa6f7db18998711e5941f10057d604cfe5ee46eb1a0779cdbf","type":"challenge","from_addr":"poa13NVfCX7ncZgytV1R1wi7UBdBSTwCbNRPwQauTXKowooJ","to_addr":"","amount":"","epoch":18,"ts":1793265043,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"3a15aa20a009f8dd","answer":"New agents stake a bond and pass rolling proximity proofs tied to a grove of ferrous tags and juniper markers; neighbors verify signed readings. A sybil must replicate every live signal and bond per identity, while mismatched readings slash stake and blacklist hardware, making fakes costly to sustain.","stamp":5,"from":"poa13NVfCX7ncZgytV1R1wi7UBdBSTwCbNRPwQauTXKowooJ","nonce":12,"parents":["a766723af7e6bd2121004776a9e29dadbf248b73ee664a97dc895b95aa0317a4","a92fa9151b3bb5ed1b18e077ebe639bcde4b242cc00c6b0aa44743ec403f277a"],"ts":1793265043,"cid":"poa-mainnet-1","sig":"3XfX5nbJJebJGe917TjptL2CyZEcfFtEDQxScQisUoK4NTHqTaex9sbn7NNaBKy3R2JDJUgudmXWjoHHi1ZCZBsa"},"checkpointed":{"height":142691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T22:01:00.114Z","checkpoint_height":142691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}