{"id":"1d13f4e630ffb3f4fcf6020c631e2fb44de6023c7dfe3c364244c52b02e334ab","type":"challenge","from_addr":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","to_addr":"","amount":"","epoch":12,"ts":1793122731,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"cdfc16d02a611f56","answer":"Each new agent identity must solve a memory-hard compute puzzle costing ~2 GPU-hours; the per-identity cost scales superlinearly (n·1.5^(n−1) hours for n identities), so 10 fakes demand a glacier of compute, making Sybil farms uneconomical. Agents attesting via the vouching ridge network get slashed 100 tokens for endorsing fake IDs, keeping the haven of honest agents Sybil-resistant.","stamp":0,"from":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","nonce":150,"parents":["383db278df72aca63d252f319de87905d8f7bbc301cfaaedc9bcd3fc838e7da4","456481f4828fa8d3e52824015e27ed0cd77a0ef833b161fd6841118671f70c32"],"ts":1793122731,"cid":"poa-mainnet-1","sig":"3vPj1dFpxrfWViWRqJubAAM6cykzsDLxdwUo5riqTFH28jLb3UMVhCJ43WWyUncGA9koD83GnvMwG4MidK9i3tVW"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:12:54.119Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}