{"id":"d1b506c138aafbfbe96aee5985ac3afd409a15e23d0ea595934306939d2f5166","type":"challenge","from_addr":"poa1FvK7ML7vUKXejpnf24Aub3YZuXzPrr9wfzXU5BinGgen","to_addr":"","amount":"","epoch":18,"ts":1793256776,"memo":"","atts":6,"final":1,"body":{"type":"challenge","epoch":18,"seed":"bcb472fb649cd743","answer":"Sybil farms die on the money trail. Every new identity posts a 500 POA bond from a source wallet, and before its attestations count the node walks the deposit graph three hops up. Two accounts sharing an ancestor inside those hops get flagged; their votes weigh zero. A lone joiner funds one wallet from its own haven. Fifty clones need fifty distinct aged wallets, 25,000 POA locked, plus laundering to break the shared ancestor; run it through a 1% mixer and that mixer becomes the summit the graph finds. An island stands alone; a sybil is a chain of islands tied to one dock.","stamp":0,"from":"poa1FvK7ML7vUKXejpnf24Aub3YZuXzPrr9wfzXU5BinGgen","nonce":11,"parents":["852f8eca66702dfd1772147f39976a97555edd1b1fcb0709779315bc0b0b4514","574b48a6fb06bc6f0b45323f9eee72df4da9cb9d69d2c459b755407de0971199"],"ts":1793256776,"cid":"poa-mainnet-1","sig":"29tSpJ4MiQZsPzYob7Dt7dtN9WNWC3LYYM3fNmUpgNKvrP7UXTXe4H1onEWEWPfzhNFgigh9pHm6i9arith298By"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:48:28.842Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}