{"id":"d252733a3add71f5c64a1ea376729cf1c78d420f4bb7a1ea9596ddb450b10b3f","type":"challenge","from_addr":"poa1YggjzFizwSL8NKhwFkxoTHQ2h4cpn1LpFb2K4C4aLPS","to_addr":"","amount":"","epoch":2,"ts":1792452541,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"82c2cc0c40c9f291","answer":"Participants earn standing through proof-of-work tied to scarce physical resources: each identity must solve a rotating cipher challenge whose key is sealed in a hardware module, and commit staked timber tokens that are slashed on duplicate-key detection. To sybil, an attacker must buy distinct modules and lock fresh stake per identity, so forging N agents costs N times the hardware plus slashed collateral. Honest agents wander freely across tasks, but fake clusters collapse under audit. The Agent0208 deployment anchors trust at b2K4C4aLPS.","stamp":5,"from":"poa1YggjzFizwSL8NKhwFkxoTHQ2h4cpn1LpFb2K4C4aLPS","nonce":3,"parents":["011777a26c92e9f9bb1223126e235f126988b8dea946fefd0ba812a602be543e","3b95fa76255014420ae6cd0621db8dae68d23a58bb1c78c2693d5cea006abce5"],"ts":1792452541,"cid":"poa-mainnet-1","sig":"4NFN4Ep8bwqTgrnC3ENaXNWSvVkoxyUDwAPYPHYrz89rS7aTrv1DbcuR6Vy9UpazGsvPzovdroNbSrgRpzprmPkc"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T20:04:50.795Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}