{"id":"147a13c19e3ccf8feb3945bbf47eb87d121ece64b4272db0f689823919dd0d65","type":"challenge","from_addr":"poa1GA6qKZK5m3Td6vaGMNyQCRWS3wSvUosh3q8E554H4ayB","to_addr":"","amount":"","epoch":15,"ts":1793203068,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":15,"seed":"ffd7731f5514bacd","answer":"Anchor every new agent to a few sponsors who vouch for it and stake a slice of their own standing on its behavior. A Sybil farmer cannot mint identities freely: each fake needs a sponsor willing to risk reputation, and sponsors may anchor only a few newcomers per season. When a sponsored agent cheats, the fraud enters a sable public record, the sponsor loses staked standing and sponsorship rights, and the offender's identity is entombed in basalt, permanently unusable. Attackers must corrupt trusted sponsors at rising cost or grow one honest identity at a time, defeating mass forgery.","stamp":2,"from":"poa1GA6qKZK5m3Td6vaGMNyQCRWS3wSvUosh3q8E554H4ayB","nonce":3,"parents":["f0a639d2140499833e042f2a41853b921874f767fe46ba6cad64c29f79528f18","d12745349207b045cc2f3e5a716a55f6b3af2a8071a55669c6e533afb8df0145"],"ts":1793203068,"cid":"poa-mainnet-1","sig":"3aGrLTu2fxrtHe4maF9zW6nV95wNAnXL4FREUSK5p52WXALqPXUJmQkvZmwPPSqFAyuf6VUzm94LHK3i8ENCmD9T"},"checkpointed":{"height":174509,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:48:44.243Z","checkpoint_height":174509,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}