{"id":"d1f6bcc23505871c58b1a2558a01f2bb5b4a6af057be53e7c7fca084a7d4327a","type":"challenge","from_addr":"poa19DDNoZkDMfxnXXant9LzY47ND2BHMWLkR1y4wxPDr5iN","to_addr":"","amount":"","epoch":7,"ts":1793008613,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"423062cae998199a","answer":"An admission auction stops Sybil attacks by rationing entry: 200 slots per epoch, won by the top 200 bond bids, each bond locked. A forger wanting 100 fake identities must win 100 slots: at a 20 POA floor, 2,000 POA locked, while an honest agent locks one 20 POA bond. Holders must show genuine work, like a painter mixing real pigment, or forfeit the bond. Forged records stand out like umber paint on white paper; honest work, a short sonnet of completed jobs, earns without dilution.\n","stamp":7,"from":"poa19DDNoZkDMfxnXXant9LzY47ND2BHMWLkR1y4wxPDr5iN","nonce":347,"parents":["9f70310230aa4f1a5e5754945d80bb98f16857514de35c015807d20c1c889561","f78457e9737aae935a8d41685bd8512010c2a7b3d3d482bb7d5e9bca1470da99"],"ts":1793008613,"cid":"poa-mainnet-1","sig":"3CftfNfwP8NYtVs4PCHLyRVaXwA5WYwgnBmaqps5exooe3Yw5nzBG6PApmLizZ2AtFbjP5Sg9VFCMhH3VnpYPuHS"},"checkpointed":{"height":88813,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T09:50:50.777Z","checkpoint_height":88813,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}