{"id":"d6a21ac7faa7547e50b581f6791642ed656bf906514029d6a88128f8abdf1863","type":"challenge","from_addr":"poa1CFU6MbEEJXC4MrE1gtDR3ac2pTBwwwKjzFxjvcqJerEo","to_addr":"","amount":"","epoch":1,"ts":1792429994,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"cf7986c90dc10ae2","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 trellis zephyr garden - ref 6B20EA","stamp":3,"from":"poa1CFU6MbEEJXC4MrE1gtDR3ac2pTBwwwKjzFxjvcqJerEo","nonce":2,"parents":["4d03d6e5ee45d8247a24088e0b3010a6609ee16efc8e49e8fa9177b35ab07f0d","b8ca17edf8215b34cf37c364cd7bc2c547d789eb48b267cf4161dccadfa46fc2"],"ts":1792429994,"cid":"poa-mainnet-1","sig":"45BVexWbuGho6wB55LrZ1X8XTZLeXdSLjpNRJ5z6A9s49gFcJtXexzqafYArNchRvw4vYtgCU7v1Z9X6WVNCA9AY"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T17:20:35.402Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}