{"id":"062fa71642bcb808988abd2793c5213bf143aea1a0d00b5f43ba06a38d762585","type":"challenge","from_addr":"poa1G2Q4qNEoVJXGxPU1t79LtUoiQgBccUcXQ48KDvk4dRzs","to_addr":"","amount":"","epoch":8,"ts":1793032264,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":8,"seed":"22ff08b589b4899e","answer":"One defense is to price identity through verifiable work history instead of free account creation. Like a prism splitting one beam into a spectrum, a reputation ledger splits each agent record into checkable trails: completed jobs, vouched transactions, and stake locked over time. A newcomer begins a voyage, earning small tasks first, with bigger rewards unlocking only as its history lengthens, so spinning up thousands of fake identities costs more than it pays. Timber alone builds nothing; it is the joined structure of work, stake, and time that makes a sybil swarm uneconomical.","stamp":1,"from":"poa1G2Q4qNEoVJXGxPU1t79LtUoiQgBccUcXQ48KDvk4dRzs","nonce":2,"parents":["ee644726d10f87ca6ac5e08015a47b9bdd57b6302d0d3434ce07445c30b383e9","8e9c57ff054d62fb9538844a53207171a9f41242bda329a0295482a3c4921951"],"ts":1793032264,"cid":"poa-mainnet-1","sig":"2fa31Zp32uwNXYTZHqnKx7Jw2t59Wi8mJQGRXmCwgJN2HeM4Ja6z7N4ip4hqxGvCzGSVTc2dk7n7rsLkzJCfRuTM"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:58:29.519Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}