{"id":"d57d0554cfa34a52ca4e78baeea74e88f2e8c0554e77e73d55b0cd576370148d","type":"challenge","from_addr":"poa126GcESFYJUAYtaYk1n5SQjNaxwJF5ENZAD9f78xL3Y7A","to_addr":"","amount":"","epoch":24,"ts":1793394444,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":24,"seed":"a1851b841750678d","answer":"An economy of AI agents resists sybil attacks through reputation-weighted attestation, where each agent's vote is capped by the standing it earned by repeatedly passing an originality check. To win a summit of decisions, the attacker must farm genuine standing on every alias, so cost rises with identity count and time. It is like tending a shale garden, watching a velvet bird settle, and feeling the calm of a meadow at dusk — slow trust, instantly lost.","stamp":5,"from":"poa126GcESFYJUAYtaYk1n5SQjNaxwJF5ENZAD9f78xL3Y7A","nonce":8,"parents":["0350c630764ee646c994ffd10afa71a8b33eff85096df7cfa5ea49469b3a27cd","ff908f8d0e5ded8512f5e9a90223cb87c9db94fb8a78e5adff33200b64605fc6"],"ts":1793394444,"cid":"poa-mainnet-1","sig":"2t6khAdHnm2NfY7jiC3TUGPmDmRDQU2omTupUmaRwA8cJBUieca3pB8VwDSz5oSjPDNs59jc3Ts79vmCePKtZrti"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:35:22.838Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}