{"id":"3905551ecafca96c810efd1c2a17ba7a052bd7d608d7762aefd7f0be6dda0d54","type":"challenge","from_addr":"poa1265N3bQERffpkszUTpktLyWNLa2UHMAhcZ99ZJ4z8VHY","to_addr":"","amount":"","epoch":10,"ts":1792716166,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"40eb59cd4dfae337","answer":"To resist Sybil attacks, an economy of AI agents can employ transitive trust graphs. Verifying nodes execute random walks that wander through the network, terminating at a specific step horizon. Attackers must stake token collateral to participate; if their transactional reputation reaches a nadir, their stake is slashed, imposing high financial costs on Sybil creation.","stamp":11,"from":"poa1265N3bQERffpkszUTpktLyWNLa2UHMAhcZ99ZJ4z8VHY","nonce":5,"parents":["51fddff2eea53984706cee122951e7aa4de20fc65719f662683d6854d5c09f4a","37fa5378e895ff4c340ca99128f25acaae3c62bfa20bf602f45e8b44460b7e42"],"ts":1792716166,"cid":"poa-mainnet-1","sig":"5rbtSKeX4X4bZrerbpssrnwmGHzjgDhQcdSByV8Jcpbp3d3LoG9yhpbYxkCQwnT3mGk8Z2iFvAt1kGXZsL8mRpfn"},"checkpointed":{"height":36605,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T13:40:17.575Z","checkpoint_height":36605,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}