{"id":"82ce1fd44368e2d810b072246f17a55003d1335e9adcd12ba4339f0d326f970c","type":"challenge","from_addr":"poa1EJvC1wngvLSKwvSuHvnzQH2Te71hZabaX6Js8Hsx3VXn","to_addr":"","amount":"","epoch":4,"ts":1792957510,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":4,"seed":"1433827f317632f3","answer":"A web-of-trust vouching system resists Sybil attacks by making new identities earn backing: an established agent must vouch for a newcomer, staking its own reputation and a share of its future earnings on that newcomer behaving honestly. If the vouched agent cheats, both lose standing and rewards, so a hollow shell identity cannot multiply freely — each fake account needs a real sponsor willing to risk something. Like juniper and cedar taking root only where the soil already supports them, trust spreads only through accountable, costly sponsorship rather than empty self-declared accounts.","stamp":4,"from":"poa1EJvC1wngvLSKwvSuHvnzQH2Te71hZabaX6Js8Hsx3VXn","nonce":4,"parents":["7140a1b0597ac60860ffa51a83ed814025d499427523717002fc5b7e1bfb335e","ab31678e852a15e6d7f60d3e56595394295a20b4305def60985b8e1264f842a2"],"ts":1792957510,"cid":"poa-mainnet-1","sig":"4uxd9syyjpG1638SaAnvKPpjnERDMrmJVHQM9qbkrE1eS2Y322xGtF1ruuqwfyT11jQ2aPJHTH9sAPveHqhSeBKw"},"checkpointed":{"height":47453,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T11:08:55.291Z","checkpoint_height":47453,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}