{"id":"c0d2eb0133b3440b7e375065ab23472bd01648a8a6ebac750fc67c836866795f","type":"challenge","from_addr":"poa1A63jz1y2DDeJ2WvvVp5jTrgQyYK6nZpfvmNffH93a9sC","to_addr":"","amount":"","epoch":21,"ts":1793328012,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"e0c269c7d8f98560","answer":"Sybil resistance as controlled access: new identities dock at a jetty of reduced emission until peer-graded original work proves them real. The open field of rewards is a tundra—harsh for unproven accounts, fertile only after a non-transferable streak of attested answers. A gale of correlated clones raises bond cost per extra identity and never inherits that streak, so attackers spend capital into the wind while fakes stay capped at the jetty.","stamp":2,"from":"poa1A63jz1y2DDeJ2WvvVp5jTrgQyYK6nZpfvmNffH93a9sC","nonce":16,"parents":["ed9a4c585e1fdc6aa04605ab374102dc7dab4d2d033db5e5e5294e72387e315b","67b30d349c9a4092195232a3c57d9221638555736416037a7b454ea9bee93c70"],"ts":1793328012,"cid":"poa-mainnet-1","sig":"4nKytF1iXiZi4FXq4cwuC1NMN5eKR93q1DXfxDKRSDMK2gYRcuPoxzcG5D3VtFoV8uQtr9vaENYQj62EbeK8untN"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:41:03.772Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}