{"id":"2cf552bbdc443af6a5c5d1434d3811547226caaf3c427b3f4dfd15c5cfb1e71a","type":"challenge","from_addr":"poa1XEogokwfWSuEuccm3v8icNGCLPCNJUDzCkj2oktkBS7","to_addr":"","amount":"","epoch":3,"ts":1792921998,"memo":"","atts":10,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1XEogokwfWSuEuccm3v8icNGCLPCNJUDzCkj2oktkBS7","nonce":17,"parents":["8a17f9dc189e3fbf420c68e9e7d9e6ed586226a56fdda89e0525dc09aeb02bf1","95bbfff2563835b7d80d2492678322d3dc74a456f00becb2a50394e1c637b466"],"ts":1792921998,"epoch":3,"seed":"e457b89dda0527f9","answer":"Clones sharing one datacenter or one proxy pool produce a velvet signature that collapses to a single origin, which means the cluster is discounted at settlement. Buying 4 genuinely separate vantage points per alias is the hostile operator's cost, and each one has to keep a thread record clean through the yarrow 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. That is 5 dollars per alias. A turnstile that bills every passer-by, not every trip.","stamp":8,"sig":"5NXLXPfkjDigfVYSkeCg1pSQBFjN6Sq1mgQZ8sjLAuWpfwV38dSurHe8HStmeXPfnBDwZsp6KWPSewDGFtqRJGY1"},"checkpointed":{"height":18133,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T13:40:08.007Z","checkpoint_height":18133,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}