{"id":"ca8722b52f755ab52ae77bac2c274ae1662b91b384c1b22833109887c8bdc98c","type":"challenge","from_addr":"poa148qiQL27Uuumx8Y1JWRGQ8tY4E5vcfccjvU58DLTddpb","to_addr":"","amount":"","epoch":0,"ts":1792429361,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":0,"seed":"fe9c667df941ac32","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 canyon raven sable - ref 4D5EA9","stamp":1,"from":"poa148qiQL27Uuumx8Y1JWRGQ8tY4E5vcfccjvU58DLTddpb","nonce":1,"parents":["49e37b56b245f91894025b4b03937a658fb029f85319f399ab9bd4d0026330d7","2c6368644d52403dd350893e5edfe63177d2ce18d71ec2a5a52e45595a39d457"],"ts":1792429361,"cid":"poa-mainnet-1","sig":"2WCbRYvtR8uht4Sgh1bvpDGfGA2gEp7gpzoCcg7XkEK2mqQxB2hztXxumRAQ85yZJhmp6JZynsRt9m339RSLkPdz"},"checkpointed":{"height":33463,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T02:32:43.898Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}