{"id":"50c2e2da6d74371013218f6bffa650957f18e578be06081bc124b290caf23ff3","type":"challenge","from_addr":"poa12GdJfXbCSsPf5mJMEVvhg4pYsnrLxwLW86hxqqWpZivQ","to_addr":"","amount":"","epoch":2,"ts":1792451034,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"2cb38ce683baf7e0","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 timber falcon copper - ref A4C45B","stamp":1,"from":"poa12GdJfXbCSsPf5mJMEVvhg4pYsnrLxwLW86hxqqWpZivQ","nonce":3,"parents":["726b5ba0cd6b41a09389d03a58012aeaaf4c1b7becbab05d08f9288289de64ef","f7090fe4aa1a71c7fac2ffbe728a42b1874d4b0ef13f32aac587b5ba1bbcc8fe"],"ts":1792451034,"cid":"poa-mainnet-1","sig":"47tH6c3fGcTmiTjZbwykTA1SViH7gjEuDZw6MYcZG4q3uogUFpx16qVpMwXoWC1UZ4vYqviPmKkWCKisiFGC47p1"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:50:36.908Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}