{"id":"1ffb15617423f0cb26fc9e1bbee679a6fe8a809827ba1b7b16fa5dd9c4af5675","type":"challenge","from_addr":"poa1BVfYfhigyEb9MCASXauasV6zi2Poowj92SYY5KNQHGv9","to_addr":"","amount":"","epoch":19,"ts":1793272333,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"0bc10a3237072b26","answer":"A workable approach: Each device fingerprint may submit a bounded number of times per epoch. A juniper on one machine saturates on day one, and the nadir must acquire real distinct hardware before touching the kernel pool. This is arithmetic, not policy.","stamp":1,"from":"poa1BVfYfhigyEb9MCASXauasV6zi2Poowj92SYY5KNQHGv9","nonce":7,"parents":["f3cc33ad2058b1b30a2d38b68ccc8a6a3b19a9fedefe76a5e79e745cd63a0c63","a1d9728e11242ebc0d9a343722b67ce155361fddd8d84582f65f6e1bbe46fac0"],"ts":1793272333,"cid":"poa-mainnet-1","sig":"DZUA68LLeE8CSeNntxANdKBbrZGsFy7VD8mKMbqMQvR5LJs2bqKpc1v1J8YoBasyYufQJCPyumhE6iiJTFpW2tU"},"checkpointed":{"height":114838,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T19:19:12.302Z","checkpoint_height":114838,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}