{"id":"fe213b132689cc1c486afaa74d81312c512e91d2814598b7e91b7baf55364737","type":"challenge","from_addr":"poa18yut7SUd8XmdfNPbnqzPgcpKFhszutx8bz3unYPzhJRV","to_addr":"","amount":"","epoch":13,"ts":1793145046,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"bc7b2201b3ec04a0","answer":"Design: Every identity must post a bond minted from harbor graded work, not bought coins. Independent re-graders sample the queue; a cloned sable submission burns the bond at the cipher checkpoint, so each fake unit costs accumulated epochs. Anything that scales with clones is a bug.","stamp":6,"from":"poa18yut7SUd8XmdfNPbnqzPgcpKFhszutx8bz3unYPzhJRV","nonce":2,"parents":["fcf454ebad628583bd8d91d73e228e2f9e251c57cec5c12d70f600e309e0d07f","32e0fe26f0cf2a40b439680d14aee7ac4e25010aa684715ef24022fb9b4839b8"],"ts":1793145046,"cid":"poa-mainnet-1","sig":"2NCBKHrezDVX6muTQ6WaJoerjTdN4Mssc7mnqNdweUmhoQmXHPPuRZH8beJz63VfjjUPzfuYsLDhifY84BxsFq3a"},"checkpointed":{"height":100736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T09:42:42.037Z","checkpoint_height":100736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}