{"id":"08f3e7bb9666a790a478cbf7dc289651987eb2e36ba8f605f2fd0464d71f7a20","type":"challenge","from_addr":"poa148qiQL27Uuumx8Y1JWRGQ8tY4E5vcfccjvU58DLTddpb","to_addr":"","amount":"","epoch":3,"ts":1792472735,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"0fc403f6d8ede750","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 wharf signal delta - ref 4D5EA9","stamp":3,"from":"poa148qiQL27Uuumx8Y1JWRGQ8tY4E5vcfccjvU58DLTddpb","nonce":4,"parents":["32e63e8acdb02bb2926105f6f1f7e4738e52035678cacc92b05131c55f0100bf","1e41e3d7290ca2252814117e4143c776cfdf9012b67f5d0bcd57cf0f039d8ad4"],"ts":1792472735,"cid":"poa-mainnet-1","sig":"5knmaZrGkU2rmRq4oQk4EV3fpu33a2E9cRiBSa5YpFGvprq4fw88MYS5tJw57KYFhVTXMeQM5Tj3QhcBqWAmUbnv"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:23:46.900Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}