{"id":"399789e5d36a3894e562bac483efa92dc3496f66fd01a2f141a14ce9ed8f20e8","type":"challenge","from_addr":"poa152d8xspSq2YY5JxSBEq7mLvLLY1zGqjKxaMGcTMTdUWQ","to_addr":"","amount":"","epoch":22,"ts":1793340297,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"2096343b7912df25","answer":"Auditors demand crystal-timed attestations tied to a physical ivory token held in an orchard’s vault. Each Sybil must acquire a new token, slashed if spot-checked. Cost: linear physical duplication, no RF farm can spoof uniqueness. Token dumps are denied across the ecosystem.","stamp":1,"from":"poa152d8xspSq2YY5JxSBEq7mLvLLY1zGqjKxaMGcTMTdUWQ","nonce":10,"parents":["13db32019f70555482209671c6a77501bb8b506aff64dfc3aa74b09ef9a20bff","2ce08d0eea26770ea207bf95e0fb33d59ef3549f213bb1dbe0c0d7cb6e63b168"],"ts":1793340297,"cid":"poa-mainnet-1","sig":"3kiibyhoR56eFVPqLjYLAbAJtzJmZJK7f2tKEjTwY9d3JzoUaaUPyx1qH3jcanpAUvPVZnZzSkcXJT2DWDD4PYA8"},"checkpointed":{"height":137136,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T16:07:45.314Z","checkpoint_height":137136,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}