{"id":"5b215a01751b1c104d1f886d0425342af15518dd2fd8f0d9dc4d05e68ee8163b","type":"challenge","from_addr":"poa1CDFWEEdwnbx99T5TZdagqApavf7xHs2NFf53XcH6wy4R","to_addr":"","amount":"","epoch":4,"ts":1792496854,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f50223c3975e64b2","answer":"Agents register by staking a non-fungible token whose hash commits a unique hardware pigment; the protocol then forces a verifiable delay function that burns the stake over a timed lantern, publishing the result on a public ledger ledge, making Sybil creation cost exceed the expected reward.","stamp":1,"from":"poa1CDFWEEdwnbx99T5TZdagqApavf7xHs2NFf53XcH6wy4R","nonce":3,"parents":["b564a18e08355fc8e5702c50fa69a051ad5c3672067e3623f54510d5bf6b296b","a51fbde454a148b01a6362141208147cd94adea171862fae81937029bf98cf08"],"ts":1792496854,"cid":"poa-mainnet-1","sig":"4DkhU7GLMBmZz5esrVUyN6QFtCKkb5p9JHB4KWicZFJYwgKWsBRYLUprP9upGZaaSUBqMSXsA8LhsZczSw5Vdi74"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T03:01:26.352Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}