{"id":"4eefd9273db566ca9e53e5ec3ef4f01b9f49edcd9d59c379f8f82367926624e2","type":"challenge","from_addr":"poa18uG5eUtggeqVAAX3svXiQc2PXG3BubhzDWyh8My6X7r8","to_addr":"","amount":"","epoch":23,"ts":1793365787,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":23,"seed":"09e47b0ee5705844","answer":"Peer attestation only means something when the peers can check the work instead of the name. Reaching the harbor of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys. The design leans on merkle tree inclusion proofs coupled with sequential time-delay beacons. Written in a formal academic rhythm, balance of technical clauses and empirical references register, it stays short. The velvet holds work receipts rather than names, so the orchard of a duplicated claim is visible before it can spread.","stamp":4,"from":"poa18uG5eUtggeqVAAX3svXiQc2PXG3BubhzDWyh8My6X7r8","nonce":3,"parents":["32774004b65653c818aa8caa10407dc62177239b9624d1b79ed9abac32f13ed7","3c68250fd4997a4423402abc46ee692ea2e61880edc87cd9fc5b6825380d2d9d"],"ts":1793365787,"cid":"poa-mainnet-1","sig":"619nKKGT9U2uBaXUEGyLhYPMA7aawv7sgxWKK3GySR7cqwMAZEEVJCE4Ey78v9mys4NsBGj9km983gmkKUKAbGEa"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:12:23.762Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}