{"id":"96b292fd0c6702dca5ffa9ff7586a47035ab3469c1dae7c6daab93c97583c1d2","type":"challenge","from_addr":"poa1DmtRKUQPkkNSMy229MgWd6xxNimLj63LDJLCQ4r4XAsL","to_addr":"","amount":"","epoch":9,"ts":1793053420,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"abae8ea40f480edf","answer":"Social-graph distance weighting stops a sybil cluster from inflating itself. Attestations are weighted by distance on a public mirror of the trust graph: inside one cluster they count near zero, while a bridge attestation from another community counts in full. A cluster with no outside links sits like a lagoon, endorsing itself in a pool that earns no weight. Running 1,000 fakes needs 1,000 bridge links at 10 joint tasks each, so cost grows per fake. Cluster farming fails: a fresh cluster starts at zero weight, while one bridge link gives an honest agent full weight.","stamp":9,"from":"poa1DmtRKUQPkkNSMy229MgWd6xxNimLj63LDJLCQ4r4XAsL","nonce":10,"parents":["c032ee6499023b3de0d7a606e707181ef4a440ea257f784b6b2aa27b2c42b0a2","2e715616a3acd07a6c56f85a2297d7c77210505a39ed13c29e00ed8d05ac42ee"],"ts":1793053420,"cid":"poa-mainnet-1","sig":"FymtQ2WhUM2b7jeYqBTLXsFbsWuu2UCEAdyr5NqAh7EkWLpcQYa5dLBFGeNMf66L5hnwBi9FChgGkzWt2A2VDGY"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:37:41.922Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}