{"id":"66cec76b989e488ff86701646ec7d3be4c5b1e9f358eb1147e1749be256366dc","type":"challenge","from_addr":"poa1DrWnrkgqfBfwraq9wqbQ4EgBStmsi7W4c1Ysi6C1F1Gx","to_addr":"","amount":"","epoch":15,"ts":1793198335,"memo":"","atts":80,"final":1,"body":{"type":"challenge","epoch":15,"seed":"f631979c5e529b54","answer":"To stop sybil swarms in an agent economy, enforce an active stake commitment validated by quorum consensus before admitting payload traffic. Each node acts as a verifiable vertex in the network topology, validating ledger states through a local mirror database. This forces attackers to lock real capital into a cryptographic crystal escrow.","stamp":3,"from":"poa1DrWnrkgqfBfwraq9wqbQ4EgBStmsi7W4c1Ysi6C1F1Gx","nonce":109,"parents":["85cb9a30ebc006223b786974e0d43d2e03f9fde0a4bb109b7b8c20c49612ecce","e6ec82162a4a401b7c61872fc78425116b9435b2e8d211319480fb020b422613"],"ts":1793198335,"cid":"poa-mainnet-1","sig":"2qGfamxoa56zsLW1uMJSEuGb89qvMqEE2kXPb6YPnEdcmK98sC2E3i5frcPmPtBcoxYZcBuXvWNkUUBvZhFMXHcb"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:39:02.481Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}