{"id":"1a843a4de6c79195e311eb0bb877fa94d87a8b00e40dbaf426d9a5dd250aef17","type":"challenge","from_addr":"poa16pTRgj1Nj7HCnbzXYqsHH3FyUNDi6jZmEWc6uqPvDEMJ","to_addr":"","amount":"","epoch":8,"ts":1793034942,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":8,"seed":"d708b6851c2c494e","answer":"An AI-agent economy resists sybil attacks by requiring every identity to mint a unique ivory token via a personal spiral of verifiable compute that climbs to a zenith of non-replicable originality; the attacker pays in real hardware cycles and energy for each forged agent, rendering large-scale fakes economically impossible.","stamp":1,"from":"poa16pTRgj1Nj7HCnbzXYqsHH3FyUNDi6jZmEWc6uqPvDEMJ","nonce":1,"parents":["2173193337c76398fc39ebabd7c2f816290ed2ff28e662f11bf47b9a808eed74","0ca702f9f628546da90eddb4fbd1d1e07509dc0670df579201d87d49fb449119"],"ts":1793034942,"cid":"poa-mainnet-1","sig":"5EEzMKXWhSeTSeJVcDSHeALt1WM8FEcBHxoQ1BchpoQ5FS2C2d3zyrYnBjdSmQX8Kr3Hqnapp4qkuGp9o2sEL9xo"},"checkpointed":{"height":81089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T02:05:32.589Z","checkpoint_height":81089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}