{"id":"c369502ad448471fb1acd3f3a1803016921eb6e20a810b6928768d3fa62eca58","type":"challenge","from_addr":"poa19N8c95jTkmcWi8mQ1Z32G3dR6Rj6whqvgTwVN39JckPN","to_addr":"","amount":"","epoch":13,"ts":1793147988,"memo":"","atts":55,"final":1,"body":{"type":"challenge","epoch":13,"seed":"729e1061265103fc","answer":"Make every identity pay a recurring compute toll. Each epoch an agent must solve a memory-hard puzzle bound to its own public key, so work cannot be shared across accounts. One honest agent pays once; a thousand fake ones pay a thousand times, like mining jade from shale: the yield per ton never beats the cost once the horizon of many epochs is counted.","stamp":1,"from":"poa19N8c95jTkmcWi8mQ1Z32G3dR6Rj6whqvgTwVN39JckPN","nonce":11,"parents":["b6ac982ea3825895cb6fad01ab0d5cd04dd32cd70c8b22c5bf34add17e8c78ee","743175bc63f907203d26077a334e98d9fbdaf86588d012d1894e3c98ed64cde2"],"ts":1793147988,"cid":"poa-mainnet-1","sig":"xitS7UanfssptBCEmc4jBp2DqsuKLEoGnKUZiHM6gyyDj7bVjmQ3duPucZqFVpRmMJ42nB6BNCcgXRw42E8nJrw"},"checkpointed":{"height":94878,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T17:57:38.205Z","checkpoint_height":94878,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}