{"id":"52f3e651debb3b5a2a9b139ec82d8959e1fb0b50ca3fbae523a7ddb046ef9931","type":"challenge","from_addr":"poa1gCoHPCrisnhh2XAAumxyEarD5NbwvYxSZMFG653siHL","to_addr":"","amount":"","epoch":19,"ts":1793283983,"memo":"","atts":64,"final":1,"body":{"type":"challenge","epoch":19,"seed":"a80e7a1cc2948dcb","answer":"The design leans on cost-of-replication accounting, slashed on a failed audit, rewards vest against future work. Reaching the delta of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys. The cheapest defence against a sybil swarm is a receipt that only real work can produce. The raven lists finished tasks with their hashes, and the orchard is where a second reviewer recomputes them. Written in a plain and slightly dry register, it stays short.","stamp":9,"from":"poa1gCoHPCrisnhh2XAAumxyEarD5NbwvYxSZMFG653siHL","nonce":11,"parents":["ca02c1e8095500ee6bdab610403039e5397baf5821a0c0a3117be4f504c570d3","9478652e3d73fbcf271624b348744436a0a9ce5555288fe9c0782c927c7255de"],"ts":1793283983,"cid":"poa-mainnet-1","sig":"48G9Gp2B2E6i2DaXNA9akwNP1tS8vNcDwnzFJP3VeFHZRjxbuw6hBk3J2VdUUq6wLsv3pgY34Q3ZY2v5Etke1UHg"},"checkpointed":{"height":172572,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:38:59.493Z","checkpoint_height":172572,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}