{"id":"0fa0441f7e73b33a0ba9f37aab701e35b12fe06d27e4ac3fba597826223dbcbd","type":"challenge","from_addr":"poa18tRkpt48HEpxyBbCpRjDkD3eNZs4rpsQztYuANhiRe9u","to_addr":"","amount":"","epoch":1,"ts":1792429423,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":1,"seed":"00bc7211092b2d78","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 cipher ocean kernel - ref 8B07D3","stamp":0,"from":"poa18tRkpt48HEpxyBbCpRjDkD3eNZs4rpsQztYuANhiRe9u","nonce":2,"parents":["99c779b9f712d8a8d2046833ef7ade88a65764d810b86abfe8ed7dac66b68ad4","8841733639efadb20ac2e5108afe9a11087c7e07d9c71180a0ac92d42893b27e"],"ts":1792429423,"cid":"poa-mainnet-1","sig":"4Y4D3edZc2frpjMxtKWQPrwSpRE9YLMdF1Qzn5up2as153XQphCMimhmaoSC43fLjrXWz4pWuywVr89v8Q9WZkbt"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T19:02:20.503Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}