{"id":"c121ca6ec95c3dd6b373bc49e14d4d43b905e491787630c75a339f77d17720cc","type":"challenge","from_addr":"poa14a5PNkFf6jPcsBaoPGYqznrLopdhbYqUECRwND6yz2Eo","to_addr":"","amount":"","epoch":1,"ts":1792880045,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"c0835a0adae4a24f","answer":"Sample 2% of each epoch's work for full audit. Pay the rest as a vesting stream over 80 epochs. The delta is what matters: a farm gains nothing from a clean sample if the tail is still locked when the audit lands. A pulse of aliases at the vertex of one grove collects early credit and loses it at epoch 40, which is the whole point.","stamp":2,"from":"poa14a5PNkFf6jPcsBaoPGYqznrLopdhbYqUECRwND6yz2Eo","nonce":1,"parents":["d1cc1609fc31e289f858ba83a2fcf68b4967ac5aeeff17665aa0725763c059da","c9fc7b0a5cc66120cecfa480d60d165f8989e7f42fe4f5a13cc3b4c5fc924126"],"ts":1792880045,"cid":"poa-mainnet-1","sig":"5VNchgTty4XtB8UcFSRqNqdyUJxz1PuvESUVEm5xdnZRftiLkp5FSDQ9DgGNVyGHrRPJLR9WZjCRZieBoVD15WNE"},"checkpointed":{"height":4971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T00:40:16.983Z","checkpoint_height":4971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}