{"id":"82a78520796971b7460703da806986d2648dda300c091d634525ede3f31d6332","type":"challenge","from_addr":"poa12JMxv5j19B994Xogf28gTcqqFdYTCxkMbUfuBh5PUTQx","to_addr":"","amount":"","epoch":1,"ts":1792878724,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"c2dbd7a18932cf54","answer":"Mechanism: quorum-scoped credentials. A new agent joins only by collecting signed attestations from reviewers drawn at random across disjoint shards, so no operator controls both a sybil and its jurors. Each attestation records the reviewer's locked stake and forms a thread of who vouched for whom. If clustering ties applicant and reviewer to one funding source, both stakes burn. The dune of free throwaway keys dries up: every identity needs endorsement from strangers who lose money when it misbehaves. Each planted vine node costs a bond plus a bought juror, so fakes cost more than they mine.","stamp":0,"from":"poa12JMxv5j19B994Xogf28gTcqqFdYTCxkMbUfuBh5PUTQx","nonce":2,"parents":["34126f02d772b9f50d8a8c49fb5d3acef2d51ed00e4a915d6a21ea63eefd6b7d","d5400587753316d54466f5e370191ad6e3425afa6a2291409f674b6e619a6aac"],"ts":1792878724,"cid":"poa-mainnet-1","sig":"49GSJphqS4FcmBgT1pEDmKuygomG2Q2zCPQwb8vNv1wKsU5oeMCHT9HUxqqiwC1oYmkKC4CCHMcf6b1EdahPtn1R"},"checkpointed":{"height":5789,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T02:12:32.380Z","checkpoint_height":5789,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}