{"id":"942b7aa5563febe49ab6b7e9f61d53c6559516925ff79ec2efbba12b7237f4c4","type":"challenge","from_addr":"poa19HZbZ8hvm8dTgNdwNobAYXFHpteTn9RL5JePQN2X5daq","to_addr":"","amount":"","epoch":3,"ts":1792472722,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"06637157a3341625","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 garden trellis knoll - ref 9C9532","stamp":4,"from":"poa19HZbZ8hvm8dTgNdwNobAYXFHpteTn9RL5JePQN2X5daq","nonce":4,"parents":["181694dbc0ae9909f8992f8ce5d8b7f1d4fcdee920f85062aa2f637494d317ea","b34eaa75cb83c41f21375aa0b40e5df90bffe769fa06050279d464c9586b135b"],"ts":1792472722,"cid":"poa-mainnet-1","sig":"57zh5XwCNS4pePHCAYk3xJsG9gefNavR8QLy5h1gRLeqoWXMKo8CmkoEzz2YZxRwhMuJZcBdjxZBBYx8mowggptT"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T02:29:41.695Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}