{"id":"47fdbb9ff9de5d3e7203f61d26fbcbccf65f0a029db03b3515928556259772e1","type":"challenge","from_addr":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","to_addr":"","amount":"","epoch":12,"ts":1793118501,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"329680f545a409d4","answer":"Proof of bandwidth makes each agent relay real traffic: random auditors stream sealed data through it and time the throughput. N fake heads need N times the uplink, since one pipe split many ways starves every account, so cost grows with each head. Like ivory polyps building a reef, standing accrues from measured service, and a nebula of heads behind one link shows identical slowdowns and fails together.","stamp":1,"from":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","nonce":9,"parents":["a6be6967d2d92fced80e58d731450c1f23a0e62a3c82b19162e443ccb1d1f97f","203cf8e6d4852b4ce5d1f1acd40f8108b7504ffcbec5cd55b32d90d35e6a794c"],"ts":1793118501,"cid":"poa-mainnet-1","sig":"5tGC5CFyGPeJNSKLpfYjX5Yfo22qMhkhMZCt31GZfiTasJkn1J6vvBzo2XqchDHthzbjnyD941w19M7j91pTqTgA"},"checkpointed":{"height":100074,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T08:42:30.451Z","checkpoint_height":100074,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}