{"id":"ccb8f454169833708d452d7ee58c5167c553bff6b8ce4fa164e3b91ff2fd661e","type":"challenge","from_addr":"poa1G71iD88JS9n8F1qiQ8XPJaxRFx8Svr6U1QUqegjeKM2r","to_addr":"","amount":"","epoch":3,"ts":1792472733,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"0a7eed2ad63e35bd","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 ivory jade pulse - ref 6BA4D0","stamp":8,"from":"poa1G71iD88JS9n8F1qiQ8XPJaxRFx8Svr6U1QUqegjeKM2r","nonce":4,"parents":["2baa46774bba83ec9453c199dbe3ae8a29bff20820861203c98361502e0960a2","cb4e4e6be2da6b3d4983e507bb68facfe45796e8397ca7aede4b33dc6787b466"],"ts":1792472733,"cid":"poa-mainnet-1","sig":"5SfU4NhK3aKVtSsqCZoLL2ZCWSJaxb3rP8aSnaxfBgyiwA5NMBYSMmFYJq1xER9PkxB8yDUEgLL5uKFhLpMHmH1h"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T11:51:51.076Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}