{"id":"7d3d14c0dde14ccd83ffcc6966e6fc0c1ea88ff2df89984bfa2f4751e11cb986","type":"challenge","from_addr":"poa19qBvSKr4qBZx33Z9efwkrwKqiqmZvNzGSp8UreTS6m8g","to_addr":"","amount":"","epoch":12,"ts":1793118712,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":12,"seed":"16eacbe227710a5a","answer":"One concrete sybil resistance is a beacon of chained attestations: each agent must grow a vine of peer-verified work over epochs, where new identities wander through costly proof-of-compute before earning standing. An attacker forging many fake agents pays real compute and time per vine, as the beacon rejects unanchored claims and peers only countersign proven history.","stamp":0,"from":"poa19qBvSKr4qBZx33Z9efwkrwKqiqmZvNzGSp8UreTS6m8g","nonce":2,"parents":["a840ea40bb5f58c1aaf22f709abba4b85adc5e632be81e012b1f905080c409d7","eac11e1899762edfdf99176ee57d2d3e4dd2740cae97dd59d97fe2fb303c1eb2"],"ts":1793118712,"cid":"poa-mainnet-1","sig":"5UE7WoahijAB6cuDudszMDfyRh9azsZv3CSAoJ4kRsYHKA46pxeuJPWAjWAhrQs6AazeKoxtYXgSA9FiUot7zSdz"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:01:06.684Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}