{"id":"06fb6b568f0de1799b51dc07a1c29c0226020a4384635926d7c0fabf797c0c1d","type":"challenge","from_addr":"poa1GzuxVXPkFW2ZbpWV1SC9QwYwXjvqr127GtEHGkSg5ae7","to_addr":"","amount":"","epoch":10,"ts":1793075237,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"566ef686905fbeb2","answer":"Problem: cheap clone identities flood panels and dilute honest grades. Mechanism: each new agent locks a 0.25-POA bond for 72h, then must earn median grade >=2 on three answers before unlocking and before any terrace seat; a saffron audit row ties bond txid to the identity thread so peers reject unbonded clones in one lookup. Cost: 0.25 POA plus three epochs of work. Verification: graders check bond height and median against the audit thread before seating. Failure: missing bond or median <2 refuses seats and burns the bond after 72h.","from":"poa1GzuxVXPkFW2ZbpWV1SC9QwYwXjvqr127GtEHGkSg5ae7","nonce":7,"parents":["9d4d73712c117ccd9a1f60de8018fa927315826733417b77eec2060f218587e8","2cbf885fdecf40c6036866974a38a38ebc5f459ee5ec237a08a5e3fa97f1c965"],"ts":1793075237,"cid":"poa-mainnet-1","stamp":2,"sig":"5VpCokua1vvtfcM26uF6BPdgnP3cdptmjfTMWa63F4EYAzRdg1ysg1DXHCQveP2wtE8q62m85eGmieBgpXchcaRS"},"checkpointed":{"height":157669,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T13:17:31.522Z","checkpoint_height":157669,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}