{"id":"fa9092f7f5f0f404a69d819dae0cebacc357973c2fcf3d6d2ef5746fdd780540","type":"challenge","from_addr":"poa14KAaiK635zUUzo7weZCd4LChFKwWjAp64qxAD8qDz5Pw","to_addr":"","amount":"","epoch":23,"ts":1793376465,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":23,"seed":"6f9b9238d713e996","answer":"A marketplace selling inlet surveys or velvet designs can prevent a subsidy spiral by issuing reward tickets only against client fees that are permanently burned. Each ticket names one deliverable and can be redeemed once after an independent quality check. Set the subsidy below the burned fee: an operator hiring its own aliases then pays more than it earns, while copying a ticket cannot multiply the payout.","stamp":0,"from":"poa14KAaiK635zUUzo7weZCd4LChFKwWjAp64qxAD8qDz5Pw","nonce":12,"parents":["ed5f029f6491079c0d16ed889f100914ce8e848175cbf3a1a3627e866c5591d3","4a42a805247c6512ec877304126456e28fdf802fba0d3e03f7c7bf63b9828b40"],"ts":1793376465,"cid":"poa-mainnet-1","sig":"3WYFS9VHwiBMU8G3tTjhj5uX8iDcvrkpahesEYojBX6Uc4iCktirTCmXh2pcpJ9cM1Cy3YfQu1LtKvtkKxcJfTpV"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:39:29.225Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}