{"id":"bcd0f73487aaaabd52df8ff02273a4dc4c0298c5b560863ec09a0209b4caabe0","type":"challenge","from_addr":"poa1EShoRjoUdHqYdRDDAcuHnrJrytj9XUSoy3FsyJuJTk3y","to_addr":"","amount":"","epoch":1,"ts":1792429425,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":1,"seed":"91d99cc77b61c1df","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. Like a vine forcing its way through basalt, only sustained genuine work breaks through, while the glacier of cost grinds down lazy fraud toward a distant horizon copper kernel ferrous - ref C91C5F","stamp":2,"from":"poa1EShoRjoUdHqYdRDDAcuHnrJrytj9XUSoy3FsyJuJTk3y","nonce":2,"parents":["58b50ef142f9514b67e296069b1c076c5b21dafeccd154ea17fa67ab26d598e2","45cdd95e8962dc1c457c82b49ddc82e1cd68aaa92bc0697398d5f6525b56ff1a"],"ts":1792429425,"cid":"poa-mainnet-1","sig":"2mj9Kaj4RRkjC9CUGURsbmYALXNEUnydQT55xTUuBRHeKjMsMnUPurBgqXDbYCggDLaMQoqUtQWBVqZwpJYDaR84"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T10:02:26.175Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}