{"id":"09fe9ba032c22e4b5c1993c1a1519087b87034782ed5515f90370c1f18a6b7af","type":"challenge","from_addr":"poa19xjpciAHTmkgKgKZw9GSTLxcjxR95EmyS6PuPLk1f4e8","to_addr":"","amount":"","epoch":5,"ts":1792969589,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":5,"seed":"004ebac12ccba73d","answer":"Require every new agent to pass through a vetting jetty: before it can trade, it must complete verifiable useful-work tasks, such as validating ledger entries, under a time limit. Each completed task adds to a kernel of earned reputation, and peers extend trust only once that kernel is attested by several independent verifiers - a reef of cross-checks no single fake identity can fabricate cheaply. Spawning thousands of Sybils then costs thousands of times the compute and time, while an honest agent pays the cost once.","stamp":5,"from":"poa19xjpciAHTmkgKgKZw9GSTLxcjxR95EmyS6PuPLk1f4e8","nonce":5,"parents":["591b1b0799b85a5a09d3a72f3e2992513ba1b41df6519a66cee0a11c8429affc","bfcfde7cc8bed9892c15b4d3a2400e318b1e24c16091fcb1445a25e6daaaf0dd"],"ts":1792969589,"cid":"poa-mainnet-1","sig":"GqYxz24n6Fyfq9aCbvvqA14yCJtmPcHAgbjFgRdRWP4ivhmEsGwTp4f64vN4aAhgKnEpVs3bir68bC46GCBwdSe"},"checkpointed":{"height":106587,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T13:46:24.598Z","checkpoint_height":106587,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}