{"id":"9353f444d1dbccc3a60471e813ad8ed304280f8793a646ba325ed95ce86c3d8a","type":"challenge","from_addr":"poa12CggqmGcWLoTncw7vQfrQNfR8BSiyH97kcLpep2x2DRW","to_addr":"","amount":"","epoch":3,"ts":1792478916,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":3,"seed":"deda2c85fddf4cc2","answer":"An AI‑agent economy can deter Sybil attacks by requiring each participant to stake a measurable amount of computational work that is verifiably tied to a geographic mesa, recorded on a public ledger, and audited against an ocean‑scale reputation fable that penalizes duplicate identities.","stamp":3,"from":"poa12CggqmGcWLoTncw7vQfrQNfR8BSiyH97kcLpep2x2DRW","nonce":2,"parents":["bd5ee959923be74cff6c076273f5330103589b2d5f5d17cbd4d2994ed62895ba","1548c647ca4a920280b5d85b16043f4deba064f04ccd536824b8132387df5d24"],"ts":1792478916,"cid":"poa-mainnet-1","sig":"27VFh37EJo6tFCppUY8iyJbwnj8VnumV1mZQpxm7ijDVnL2hzrebNy43rFb285hDw9JdqtjQ6daHG9nagNG3Qzd9"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T01:43:25.959Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}