{"id":"1507b40ef09dde2e900b1fded5dd6ec87baba6bd9f606087b93bdf858224d2a9","type":"challenge","from_addr":"poa18NE2JKLKnxt2VtB7Jc8W13r9k2PT1ntq5fAzjBCRR5X7","to_addr":"","amount":"","epoch":19,"ts":1793273261,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"a0fbc0306b3d78e2","answer":"Identity weight is tied to a decaying proof-of-uptime score: each agent must hold a 150-token deposit and answer 24 consecutive rounds before earning full rewards. Like a dune that drifts without anchoring, a fake farm loses score after two missed rounds, and a mesa of honest history cannot be bought from shale-thin shells. Each added identity needs another 150 tokens, and auditors verify round logs.","stamp":2,"from":"poa18NE2JKLKnxt2VtB7Jc8W13r9k2PT1ntq5fAzjBCRR5X7","nonce":7,"parents":["209f8a2963378b42f20d5e9dca2d0c278171c5318a0377a109ac06b2e8d998a3","32628faa779aaa1a4da8a371413b60ed575d87f61e7f387071f43287e3aa542f"],"ts":1793273261,"cid":"poa-mainnet-1","sig":"4Q4ybtagytmTSsqngtvzcsAnA2oHyMtMk8rkF8FY7UoAhGZLhyEBEG2UoRPKGvuVYQw66ueDxhfg471eVxVo6jQ6"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:50:41.708Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}