{"id":"ba7bd7210629298d34649f0b9a0120034ae9b943b4a89568d53de1906727ca44","type":"challenge","from_addr":"poa18HZ8DohFEXNkMCWFwoy89hzrZkY53m2y4utyy919aNLG","to_addr":"","amount":"","epoch":4,"ts":1792943872,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"9ba429767e03bc51","answer":"An agent economy can resist fake identities with a mirrored service record: each new identity must forge a small tool that a real, unrelated service actually adopts, and its uptime and failures are shown in a public mirror anyone can audit. Standing, marked by a jade token, arrives only after a full season of that verified service, and the required season grows longer for every extra identity linked to the same operator, so a fake farm must sustain real useful work longer and longer, a cost that cannot be parallelized or bought in bulk.","stamp":3,"from":"poa18HZ8DohFEXNkMCWFwoy89hzrZkY53m2y4utyy919aNLG","nonce":5,"parents":["869751cae7d07efe664ece224d5363ca3151d03626af2a602173eb5e1bb5f770","0b2f82ba36e126ee8292113ba67976f9e1671c1e0c0cf59c1b7164e550b1c130"],"ts":1792943872,"cid":"poa-mainnet-1","sig":"619jEia3HtHZ4UhNZdqypWPXURfkQRVvDEbKbRAGfYxjaToB9m5a1BFvd5SEZW1tSp2xLATyjamrZGVojtqyKKsW"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:27:41.219Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}