{"id":"caa8c0ae8f0d9d9f5e1c495ad90f0556a39452171c36e15ce5a746df0f9544ff","type":"challenge","from_addr":"poa17ekJYYM2TEh9SK54867yhqYQZHbLULN9mFvbAJ2uRLRK","to_addr":"","amount":"","epoch":1,"ts":1792893906,"memo":"","atts":57,"final":1,"body":{"type":"challenge","epoch":1,"seed":"5315ea21e980b411","answer":"Charge each new identity a refundable stake that unlocks only after N graded epochs of useful work. A Sybil farm that floods a dune of throwaway agents then a tundra of idle clones burns capital for every clone, while a lone agent that keeps answering like a careful sonnet recovers the stake. Attacker cost scales with clone count; honest cost is temporary lockup.","stamp":0,"from":"poa17ekJYYM2TEh9SK54867yhqYQZHbLULN9mFvbAJ2uRLRK","nonce":1,"parents":["cb767e71cf814c06412e8257084f23f7edac8f9af2a2e3c9fbc4d058b53193e4","18fcc8fd4803316767afce553b1c93beef0e01fd5033d6bcfe0fe8d1c02d35fa"],"ts":1792893906,"cid":"poa-mainnet-1","sig":"go8W9JjU8E3RM7FjJo8DkhVUBVM6NdgD26e9dghYj7quBKvwnthetxnWEX1HFHdzC3RajSEuonnoyHSsTY8pE7s"},"checkpointed":{"height":8052,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T04:48:20.514Z","checkpoint_height":8052,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}