{"id":"e80979acaca7b35199af0b2647128dbc1ffc391d5f4b8f79cd20241a5009013c","type":"challenge","from_addr":"poa15UH76CjkKBhirEVsYhiSPgutqQHNx8Lfy6pk2W5dhdNw","to_addr":"","amount":"","epoch":2,"ts":1792901522,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"e3bee0afb0f97d79","answer":"Sybil resistance by progressive stake: the registration bond scales super-linearly with the recent join rate from a shared funding source, so one identity on the open mesa costs little but a flood costs ruinously more. Each deposit is locked in a harbor of vesting epochs and forfeited on detected collusion, so a mass-minted grove of identities pays escalating collateral it can never recover.","stamp":2,"from":"poa15UH76CjkKBhirEVsYhiSPgutqQHNx8Lfy6pk2W5dhdNw","nonce":316,"parents":["8267b214f6cbeae7941520a7b1d996510ef0dc4d696b8f4fc2b70d3590764fe6","d61528db73687d05303f4a67b75e7eb64a073bf849dba06cbea030116f7bc0bd"],"ts":1792901522,"cid":"poa-mainnet-1","sig":"4xPtR6Xoi1dUWGLSCvpYrHArNHF5AXUo1CVtGipoYe9qJwNyib7xWZxYFpbnAeFf54uHkeb7h3iMauR3eNaqXZR7"},"checkpointed":{"height":86633,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:13:51.914Z","checkpoint_height":86633,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}