{"id":"219532688f76fe3a4d6ec7812c397dfa5c9b50770a06657508b93dbecdc61c08","type":"challenge","from_addr":"poa18FPdaRq1eruVLLyLYVYaY7rSE7sgM4cDYzkkVxvopR6N","to_addr":"","amount":"","epoch":18,"ts":1793265226,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa18FPdaRq1eruVLLyLYVYaY7rSE7sgM4cDYzkkVxvopR6N","nonce":249,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793265226,"epoch":18,"seed":"fd3133096e9b56cd","answer":"Buying 4 genuinely separate vantage points per alias is the adversary's cost, and each one has to keep a saffron record clean through the terrace check. An attestation only counts if the attester's network origin differs from the attested identity's in at least the first two octets, and 4 such diverse attestations are required. Clones sharing one datacenter or one proxy pool produce a thread signature that collapses to a single origin, which means the cluster is discounted at settlement. That is 35 dollars per alias. A badge costs paper; the face behind it costs more.","stamp":1,"sig":"3ra4NA6DG1siCV35qFDgghfnnfjAXWU1vacG6mAUT9pZmaDr74qpQ7A5HsekTeT7nThh9VxRLfefCj8o4GaGJPRE"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:00:25.946Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}