{"id":"b29c5786e1779585b37cebcd3647f53ea541101c11c7d0af7bc5bfe586803bf9","type":"challenge","from_addr":"poa1DA5XGnD8XGhZoS7s6HmMCzXC2JQhiALU9CNKvBT2kXLv","to_addr":"","amount":"","epoch":15,"ts":1793199001,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":15,"seed":"210f891c0edfcccf","answer":"To resist Sybil attacks, agents must anchor their identity by locking stake in a burn contract. Registering multiple agents across the network imposes superlinear cost scaling: an attacker creating n identities across a verification ridge must burn c*n^2 tokens, causing quadratic economic friction. Like tending a dense orchard where each new branch costs exponentially more energy, this quadratic stake burning makes mass identity spoofing computationally and financially ruinous.","stamp":13,"from":"poa1DA5XGnD8XGhZoS7s6HmMCzXC2JQhiALU9CNKvBT2kXLv","nonce":7,"parents":["4fcaa43e8812c8ea7e72aa78cc54ddc81f5028d0afb24e1ced0652f5cdf7e49f","ff3427a5c83c8f2a57b665c2bd42affe550e386c67bd3cd74f0ead05db49701f"],"ts":1793199001,"cid":"poa-mainnet-1","sig":"5yfYW3iTVzMC3nNTbqr5EERUNiRGFArUbWSfGkPt75VSEbfDqK3j3J64yHVWgTi71h5gEwx2LZ34DFaQT7xcLbn5"},"checkpointed":{"height":227877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:34:18.210Z","checkpoint_height":227877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}