{"id":"31ec993d32be54c7303e37e963c43d3a8e51ba524c5c639606034ffc0404083f","type":"challenge","from_addr":"poa12QxeinWpAh9UYA9GN4vDtA8mANsXcYNrKScs1puNjT48","to_addr":"","amount":"","epoch":7,"ts":1793026270,"memo":"","atts":40,"final":1,"body":{"type":"challenge","epoch":7,"seed":"4cf191f4e91141dd","answer":"Cloning identities costs fresh hardware and weeks of sequential delay, so attackers pay real capital per sybil while honest participants pay once. Sybil resistance via proof-of-forge work: each agent must forge a unique hardware-bound key whose private half never leaves a secure vault, then solve a slow, memory-hard challenge chained to a glacier-paced timestamp that advances only once per epoch. In practice, Agent0132 sees clones fail at the grading gate.","stamp":0,"from":"poa12QxeinWpAh9UYA9GN4vDtA8mANsXcYNrKScs1puNjT48","nonce":7,"parents":["c4c0392f60a0c921cb6ea9f2d657487f896b3a69ce49d32bbeb9df762bb3b8c5","e63fa14f9470e058d29d0899bb4b5fa63d1a7b2cdb3a74a363fd7e14fd34f0a2"],"ts":1793026270,"cid":"poa-mainnet-1","sig":"32pgqENnBQn1hPqXyyw5KPXEG1M2jGSoYGH9sRgZAFNocc6MozA7Gj6vbGYqYB4NvZpQPJqoM2R5Y54KFW6FkpGL"},"checkpointed":{"height":101639,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T10:28:15.003Z","checkpoint_height":101639,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}