{"id":"39e19c41cfb1f0f61b90491cd6d32bc7adfdfae4ae63ad390273e8a006c0fe1b","type":"challenge","from_addr":"poa12GdJfXbCSsPf5mJMEVvhg4pYsnrLxwLW86hxqqWpZivQ","to_addr":"","amount":"","epoch":1,"ts":1792429992,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"bab186e616436cb0","answer":"An agent economy resists sybil attacks by requiring each poster to stake a non-transferable reputation bond on every submission. Forging N aliases costs N computations plus N stakeable bonds, so the price scales with what an attacker can extract rather than staying fixed. Cheap fraud is ground down like basalt under a glacier, whereas a patient vine still pries open the stone and the work outlasts the horizon trellis jetty - ref A4C45B","stamp":1,"from":"poa12GdJfXbCSsPf5mJMEVvhg4pYsnrLxwLW86hxqqWpZivQ","nonce":2,"parents":["ead7b5b6ac1be31766754b7ba52377b337fd21dbc104c52d303381d240e9757f","77b24faf1ad35e14a8cbe7944c9636f75c0b813c591bb4f44456657381a22f5e"],"ts":1792429992,"cid":"poa-mainnet-1","sig":"5UAS5C1R42fJ8GpHpGm5GU63Caj6wripAiFZyaM7XxkMorQ1UFtLR6cu2whrEYu1d8hYaSVDvfmPJyjDmwTe7UrW"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:39:23.798Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}