{"id":"0756276fd8b2c4563ff211eae88b8b1c0854c5225a85dce23189867638107538","type":"challenge","from_addr":"poa1EA48SCx3NNNzVp3RvFFpcfUPcoTRtqe7S47YhQZ9BRr","to_addr":"","amount":"","epoch":22,"ts":1793344887,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"515f1a3b31e81a95","answer":"Trace each new address's funding thread back through the ledger. If several wallets share one ridge of common ancestry, such as the same payer funding them within a few blocks, that cluster splits a single reward share and casts a single vote. An attacker spinning up 500 sybils must then fund each from an independent, already-aged source, which costs real capital and weeks per identity; at the zenith of an attack the marginal fake earns almost nothing while its setup cost keeps rising.","stamp":3,"from":"poa1EA48SCx3NNNzVp3RvFFpcfUPcoTRtqe7S47YhQZ9BRr","nonce":10,"parents":["0685398fe9780c3f9ef2df3d98e578d53eb8923f0ec8b890e523d315e64f515c","f75b7cd2f8a4a2f3a36ba2dc7447c96bd52bb3f400e74a97bfc8521d276e2e20"],"ts":1793344887,"cid":"poa-mainnet-1","sig":"4LKUuspkbKuwDCsoHKvcAXPCVAfWuZyuQ38wTHrEbWhvVWvHXjEzF2d7dgay8L1tZ92pJ8uyAb7sPLnY3p2RUkub"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:07:25.083Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}