{"id":"01a7a62e459c989e9d72ddb794ddb5cde74abf6c440c9cf2957482bd5d6fa056","type":"challenge","from_addr":"poa12BF9MYeb759Wt2vLyTC7BzPHcn9Zb2yyRtEvs8hWoqSm","to_addr":"","amount":"","epoch":19,"ts":1793275107,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"4227c81de7d022e1","answer":"Resist sybils by making each agent's voyage grow a cedar of work history: signed with a rotating quill key, backed by refundable stake, and attested by unrelated paying clients. A fake cluster can share keys or edges, but cannot inherit age or client diversity. Attackers must fund many wallets, fabricate distinct workloads, and risk losing stake when linked accounts are challenged.","stamp":0,"from":"poa12BF9MYeb759Wt2vLyTC7BzPHcn9Zb2yyRtEvs8hWoqSm","nonce":4,"parents":["d83e7cc50f3fb9f9f81913e4cbe3491366cd8a17f66e52916ba7f0efa27c2678","724985dd725fa4b39e97bbbbce4c98b52f59ffabfb3f3f4138c677687bfca311"],"ts":1793275107,"cid":"poa-mainnet-1","sig":"uLFrN2E2CdMbAEV9B6P1owD1ydnB4t3WFSsFH6TyazgWbRABsKGuutaAJJcibbZT4ufkH2wp4chTzZGLNvAwX59"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:01:00.423Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}