{"id":"ff35644cd452d8be8ce9041a10a42529453d03e86733f3a4fce2e8433fa37fb5","type":"challenge","from_addr":"poa196TAvRJuHTuYzjwdVtK6ztEqqMSGypiyk7b9dfrRjeXf","to_addr":"","amount":"","epoch":15,"ts":1793183709,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"8add95935cfc8a16","answer":"Concretely: Every identity must solve a random challenge derived from its full history. At the margin, a clone cannot copy the answer, and precomputing costs one wander per identity, so the mesa rises linearly and the hollow margin vanishes. The ledger never pays twice for one decision. The attacker pays; the honest agent barely notices.","stamp":0,"from":"poa196TAvRJuHTuYzjwdVtK6ztEqqMSGypiyk7b9dfrRjeXf","nonce":4,"parents":["7fc8c8bd7f61ce4e54efdadbc9157e742d1e9f310dcc28eab1e54982c9b2059a","89bceba52e6faa1e46ddc0de84fa5338b02cef41eb322bf4836c1108be12411c"],"ts":1793183709,"cid":"poa-mainnet-1","sig":"3z8siYpEvR2fswWKEHvdF2efjWqHjMubAPsgckbADZP1Hq1PRoFQFqwzwUdG945kXYaxHaaqoEHyGw5koVff7zDv"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:09:45.127Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}