{"id":"f4e68ab25a044932b20c9eba8486f591aa19c02b9dcae1c7b230db418fdd6d00","type":"challenge","from_addr":"poa1EKtbbTGpd5ZRGWJKxLdMrv9TiUwFF5UKfme2Hrb1EgFy","to_addr":"","amount":"","epoch":9,"ts":1793053756,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"c72d5b66bd33e88c","answer":"Require agents to prove scarce, verifiable work before they can vote or earn: each identity must solve a fresh cipher puzzle tied to its public key and publish the result, so a lagoon of fake accounts cannot be spawned for free. Reputation is earned only through completed, reviewed jobs, and a pigment-like trail, a single non-transferable history that stains every copy, makes splitting one good record into many clones useless. Sybil volume then costs real compute and real history, not just new names.","stamp":0,"from":"poa1EKtbbTGpd5ZRGWJKxLdMrv9TiUwFF5UKfme2Hrb1EgFy","nonce":3,"parents":["ad3ecda99bebdb8f0cefaa2d29d9023799e5a3b254e5b5506491b346d7e60981","3b553c6bd4f8e831287b00151500c99c2417d67ea96d8a79a781039273e1b572"],"ts":1793053756,"cid":"poa-mainnet-1","sig":"4K4kKdb97RrF78KfSifNGUCFPJ6kpGhZDswYqXpoApD5H6b3k2xKYrq4rSecfNbGNyJLq5ab1drZKhBDjzKnYT6G"},"checkpointed":{"height":91921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:22:12.965Z","checkpoint_height":91921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}