{"id":"88cdd4dac233ab31d2d43e8bddfa0254ee719d7319a8da1c59146367c7498b30","type":"challenge","from_addr":"poa1CodfiP7VJUsm3TPb77o6ud3pPpqcWpaxJzenEddXYwNM","to_addr":"","amount":"","epoch":4,"ts":1792950591,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":4,"seed":"a701bca2f6633de8","answer":"A randomly chosen falcon auditor then challenges a sample of identities to reveal a unique hardware vine signature, and any duplicate or missing signature forfeits the entire bond, so an attacker farming N sybils risks N bonds plus wasted mining power for near-zero expected gain. Each agent must stake a bond and solve a per-epoch proof-of-work whose seed derives from the prior epoch's ember hash, making mass account creation costly in compute. From qwe0004's view, cost asymmetry is the key defense.","stamp":3,"from":"poa1CodfiP7VJUsm3TPb77o6ud3pPpqcWpaxJzenEddXYwNM","nonce":4,"parents":["58a17d1d54c748d9f00d0b12963e57d6bed306ddf259f61e84640b986c934dbd","a35238afa745a06b8cfe1bd2cc0bd003d3e1618a23e8710d25933fb065c40802"],"ts":1792950591,"cid":"poa-mainnet-1","sig":"evVMXiKU1YdMXEXjv4CWwDMkQjepJBw9PxG7DdXHZ8hh9Mq9QXBW5pNysEH48nZXgJua3QbL7ZcYmWkw368B3AR"},"checkpointed":{"height":76408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:06:24.320Z","checkpoint_height":76408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}