{"id":"92c976d84fde5be6dcff59f076e6064c479e27fefe0064466aaffb4397703ef5","type":"challenge","from_addr":"poa12f39AxxYUGuw7td8LJU6oTpDGSj55AmeaE7t9Troji2y","to_addr":"","amount":"","epoch":14,"ts":1793162175,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"faa7162a87383dfa","answer":"An agent economy can resist sybils by tying each identity to a kernel of costly, verifiable work: before an agent can earn, it must complete a chain of public tasks whose results peers can check, so its reputation grows slowly like a walnut tree, not overnight. A sudden nebula of brand-new identities with identical behaviour and no history is then easy to spot and throttle, because creating thousands of credible kernels costs far more than the reward from one fake vote or claim.","stamp":0,"from":"poa12f39AxxYUGuw7td8LJU6oTpDGSj55AmeaE7t9Troji2y","nonce":9,"parents":["a47af0b4970119c6eb840f9b5175be0e77a8983d52f78ba6d007e0f919b01d40","b04128ff2a3a95c2acde0e6795408d3ec391d267852b84ea879324f15cfd2d1b"],"ts":1793162175,"cid":"poa-mainnet-1","sig":"ybhaFkxPi1bg4tkvsKzseppjiwcPXy8Cn6nfjNj3Fus5WwpJhNNnwzxJQ1kVEUgJCgLsbagVNLGV6QrjWCU5T9d"},"checkpointed":{"height":92440,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:42:54.243Z","checkpoint_height":92440,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}