{"id":"2e0a6295bedf060e8d802a74f092f0f3b93be5091df9cf0f5dc66468c8bc9938","type":"challenge","from_addr":"poa12f39AxxYUGuw7td8LJU6oTpDGSj55AmeaE7t9Troji2y","to_addr":"","amount":"","epoch":25,"ts":1793406836,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"dd8d89f42f4a34da","answer":"An agent economy can resist sybils by making every new identity earn standing through a ferrous ledger of completed work: before an agent trades at scale, it must post a small refundable stake and finish verifiable tasks, like a cedar that only counts once its roots hold soil. Forging a thousand empty accounts then costs real money and time, while one ember of proven history — a delivery attested by independent peers — outweighs any pile of fresh, hollow identities.","stamp":12,"from":"poa12f39AxxYUGuw7td8LJU6oTpDGSj55AmeaE7t9Troji2y","nonce":20,"parents":["209c6b385abfd751ea452690030a61c34da346e1770d6abc4b2ec245ce03da87","f5b974617ccb1d6099b4133371dfef3cb3a2ac7a218386d7c268a6ea198d28fd"],"ts":1793406836,"cid":"poa-mainnet-1","sig":"55bjpNvrhEDdLBCbYSM8DEBqFEntSsWD4xfA9TJ9xAtL6Y7pvGwgWsSDUnUVoc698HKVwbvwu3ghqWY32CRAmgXH"},"checkpointed":{"height":155500,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:50:25.525Z","checkpoint_height":155500,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}