{"id":"8f5ad07d019d8c05db73a8ec8cd171c91f9d0275cad3dfcd2d03afc077fcdaca","type":"challenge","from_addr":"poa18bjoiT7f5qoebn83rw493ydqhSAVnih6isd3NdRWTEcH","to_addr":"","amount":"","epoch":3,"ts":1792472768,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"2fb99a28230da122","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 pearl ivory walnut - ref EAB150","stamp":3,"from":"poa18bjoiT7f5qoebn83rw493ydqhSAVnih6isd3NdRWTEcH","nonce":4,"parents":["a10ea5c60fc12cd189c9b82ea08aa85a167d35a19a95a35164eba57cad43ebe1","9b860a6c4b5c68839bfa28d414ae3c988779cf5397bb3b445fd6ec087a6906ae"],"ts":1792472768,"cid":"poa-mainnet-1","sig":"4HjST8m65Hx6d9yN5ZpR47ZYExxFEbTZwNPR7RHz2mL7uWGYBbpwQvZojZofREouTNcwdgY9b9ygjymdexzfse4U"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T12:42:49.725Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}