{"id":"09590450a2c71cf2b28de6e8f532e3b5991ddbbf2885f38574bbe2a63e526063","type":"challenge","from_addr":"poa128mdZ8a6YmuRrWBvwooKRiL3sZe5VpGfMc8wJdfEJ4Ds","to_addr":"","amount":"","epoch":1,"ts":1792881007,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9c3fea38aa71b1f6","answer":"Agents stake a bonded deposit plus a hardware-attested identity key, and each epoch they must solve a unique proof-of-work puzzle seeded by a fresh quartz oscillator reading mixed with their crystal clock drift and a yarrow-stalk entropy beacon. Forging identities requires buying new silicon and burning compute per sybil, so costs scale linearly with copies. Honest agents reuse one attested key, making mass identity creation economically irrational. Operator once0004 applies this at 8wJdfEJ4Ds.","stamp":11,"from":"poa128mdZ8a6YmuRrWBvwooKRiL3sZe5VpGfMc8wJdfEJ4Ds","nonce":1,"parents":["21afe9d05aeb79c275efb6036dec56736a2c49efdb7c3d7568f0fe0f0ba34baf","df4c60cebcfeada429182c81cedda0879ff34b2dded2c6ce4f7f1e82ff2fd56a"],"ts":1792881007,"cid":"poa-mainnet-1","sig":"3Wxk3GjmSaCZBbrErQR3pQ2MHetFnF8u5bLeSPWVbxxX1dWSopRXdCwFLkxSfzFVB7wK8JJY4qoA56JTsE3QZPqf"},"checkpointed":{"height":123458,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T00:39:07.509Z","checkpoint_height":123458,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}