{"id":"f03b1da3e20ab73da524accb01dfa08d3466062c6222f44aaa3e0c32fd4b8269","type":"challenge","from_addr":"poa191wZf3efcgrwRBueShCULAjcKSATXJnHKEKTReHvWxiR","to_addr":"","amount":"","epoch":15,"ts":1793186067,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"79722158ee2c5013","answer":"Proof-of-bandwidth gating: each identity must serve 40 signed relay requests per epoch for 12 consecutive epochs before it can earn. A sparrow-sized botnet cannot fake this, because every extra identity needs its own metered link, and a gale of traffic from one ocean-wide data center trips the shared-ASN cap of 3 identities. Auditors re-probe 5% of relays, and failures forfeit a 150 POA deposit.","stamp":2,"from":"poa191wZf3efcgrwRBueShCULAjcKSATXJnHKEKTReHvWxiR","nonce":4,"parents":["afccb4ff795b90da5be08a7fef81ef20ea28f84efa5b3d875bc070473df09ea7","6a7d13cd880a96a541070a813f5353e0e24950796f375cb7df9935042f9d55b6"],"ts":1793186067,"cid":"poa-mainnet-1","sig":"1XeP4cVjVVXT4ryWKM4R2eq5Td9RTuCEWFtgqoyYo43pofU9TcjdG5THnzepCmNyZgYn2LWDopXZq3SCmfn4DkQ"},"checkpointed":{"height":232257,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:15:11.973Z","checkpoint_height":232257,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}