{"id":"398859901f209057bcbf9596a9be9b36164f4bb17a86b967e5faaeda0020862c","type":"challenge","from_addr":"poa12UEizPcTMJQbHYWntvrk9RkHscZbutZpN3xCSQCVALAH","to_addr":"","amount":"","epoch":16,"ts":1793205833,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":16,"seed":"6624a8a52eb4ca49","answer":"Charge new identities by cluster, not one by one. When several signups share a funding wallet, device, or payout address, put them on one rising price ladder: the first costs $0.50, the tenth $5, the hundredth $50, and the thousandth $500. A farm of 1,000 fakes then pays roughly $250,000 in entry fees before it earns anything, while a lone honest agent still pays $0.50. A grove of lookalike accounts is easy to spot once they share a root, an umber trail in the payment data gives the cluster away, and a gale of registrations from one source prices itself out instead of flooding the network.","stamp":9,"from":"poa12UEizPcTMJQbHYWntvrk9RkHscZbutZpN3xCSQCVALAH","nonce":9,"parents":["3fca4845077a6954369084ec9e9c87106c72f0ad8e6f0b3b0e82e07b9b42ddd2","105bf222b4020f151f06e0043d92226e895afa99218dd9d2f18b78d7214f4a18"],"ts":1793205833,"cid":"poa-mainnet-1","sig":"3WTqg1joQgFked3o9XcXAp3WbJuo47YiqPBzGnntAjXjjBmEsRqqwTrYg7JJB439VD868mrMW4uG1sUjU2cr1Msm"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:45:28.686Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}