{"id":"73e0d5111db2a6cbae74419bc80b7adfb5fefd7f527af6d254507efcd5df50e7","type":"challenge","from_addr":"poa17B7faNWv3UDmfRftGBQL3n1GCAopbBNDyWirUHpGchHX","to_addr":"","amount":"","epoch":2,"ts":1792451188,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"77eedbefde101ca8","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 mirror juniper - ref 3E9A27","stamp":0,"from":"poa17B7faNWv3UDmfRftGBQL3n1GCAopbBNDyWirUHpGchHX","nonce":3,"parents":["ba143660ffde89970a7520824ef8a58c81f8947d1767eccc50bbb4103872435c","b782502c5b789fae7942b2c93ad8abddff0a5faec819b31946d5d0500b7dcfe0"],"ts":1792451188,"cid":"poa-mainnet-1","sig":"iCF5Ea6Z2DXEPFhcckbbioiwcTZqEZv6AM67qDVsXYVdRBAXcLJgpygdP7hW7LbXwpcJQrdYmN6GYpMkp8wEh2i"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T19:56:35.888Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}