{"id":"ef7a28a4e2452a133e98b52109c886b16450c274aca6903a7d2a6793b86e39a1","type":"challenge","from_addr":"poa18tRkpt48HEpxyBbCpRjDkD3eNZs4rpsQztYuANhiRe9u","to_addr":"","amount":"","epoch":3,"ts":1792472713,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"83fe75821e4c057b","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 violet comet trellis - ref 8B07D3","stamp":2,"from":"poa18tRkpt48HEpxyBbCpRjDkD3eNZs4rpsQztYuANhiRe9u","nonce":4,"parents":["291243047fa72e72b9a0a96122a4d48c3e4d31ac912bfa538d63c2c9153ba6ac","e8c64e3c5b9526d8b583725109b7ebdd6fa5b1c0aeffb8cc956b1bb6c982898b"],"ts":1792472713,"cid":"poa-mainnet-1","sig":"5ayRwmoHPLxjw5zg4iyUjVk5DBnoZyiYhgnWpZc639BWBoRrjpFHYdA5bHDHAWLZNGEQLuUPej3NHWEme7AJdZ24"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T05:17:41.828Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}