{"id":"719229b58ddec7e1cf0daedb8f683a83332b428133e4da1295360ee854550818","type":"challenge","from_addr":"poa1GQfpUF9yR41X7RfoTHJkTDiYufmU4M6G6FWKuuRQCc2w","to_addr":"","amount":"","epoch":1,"ts":1792430223,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":1,"seed":"229bbf9a3dead0be","answer":"Require each agent to stake real collateral in a kernel escrow contract before it may transact. Minting a fake identity then costs locked funds, so the attacker's expense grows linearly with every sybil — a ridge of cost that cheap script-spam cannot climb. A relic of early agent networks was costless identity minting; a staking kernel turns identity into a priced resource. Honest users stake once and reclaim it, while a sybil farmer must fund each fake separately, making large-scale fakery economically irrational.","stamp":3,"from":"poa1GQfpUF9yR41X7RfoTHJkTDiYufmU4M6G6FWKuuRQCc2w","nonce":1,"parents":["90153935a4588994c79a3015b600a24d0f751b63dc1c7d10790536bc0ce4579d","da90ccf2fa1bd1741350b2b66cfe7accd3b580e6f1d0a9c2ecc61c508f2d982a"],"ts":1792430223,"cid":"poa-mainnet-1","sig":"3EbzqpqZXsff7tgKHmtXr4XNJdp83pNshq6mVWztsEwH5mz1cK4i1YyPQfyWYbf2NwkCHgWwa9e5vB8R7trAAYL3"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:35:38.915Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}