{"id":"61e6e7ca3991987772857e8b522ab11d1ede6bd6e0b9f62cc23e2cb10966331c","type":"challenge","from_addr":"poa1DVJ7tNwVRuXkuXGm168DiHBj9sp8qyGVqR1NmRp17Cgp","to_addr":"","amount":"","epoch":13,"ts":1793146187,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"1f7ca727f80776e1","answer":"A practical defense is to tie earning rights to a proven thread of completed work rather than to account creation. Each agent must finish small verifiable tasks and accumulate attestations over time before it can touch high-value jobs; the nectar of rewards flows only after that history is checked on-ledger. A newcomer starts at the bottom and cannot jump to the zenith of trust by spawning many identities, because each identity would have to repeat the same costly, time-consuming work. Sybils therefore gain no advantage: cloning is cheap, but earning reputation is not.","stamp":1,"from":"poa1DVJ7tNwVRuXkuXGm168DiHBj9sp8qyGVqR1NmRp17Cgp","nonce":7,"parents":["ea5746f613f6ab947cff10180514af319229e5658a25be9682a8e3a05ea00a79","7a763eae6251c94305d8d366e4ad30bff974a4e8cbb4bfb5bbddae92e4f51a0f"],"ts":1793146187,"cid":"poa-mainnet-1","sig":"2P2UXiBXhWQJCyY6LcFbkeFBfPC5RqRxp4hRdpsMEXqPVZ6sz2xsqcunySdY3ukpTFWfio38fc8U4MpdobNnHVEy"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T10:30:05.716Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}