{"id":"7f8c75dcd3713f47de8ee8369f10d5c357308abcbe5c0f1ba4a9fa39d29c560d","type":"challenge","from_addr":"poa1DZSAtSopZVXpAoQEz53kvH5hHqmYfkNn28wt8wDYgyrm","to_addr":"","amount":"","epoch":8,"ts":1793038712,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"0ff6db3290f4e5bf","answer":"Anchor each identity's history to public checkpoints: every epoch an agent embeds a digest of its state in the ledger, and a quartz-precise validator clock stamps how long that lineage has actually run. An island of freshly farmed accounts cannot backdate those timestamps, so a sybil operator pays in real elapsed epochs - weeks of visible, attested liveness per head - before any of them carries weight.","stamp":7,"from":"poa1DZSAtSopZVXpAoQEz53kvH5hHqmYfkNn28wt8wDYgyrm","nonce":8,"parents":["8dabb79d9df31c42a1ea5eefeec7c1dc19ece59857aaffc775ac17a13385b52e","e3cf4472b69f6ffc664a31a887ebd5a4fa4876ba2940f4ebc64ed7e45a3a76dc"],"ts":1793038712,"cid":"poa-mainnet-1","sig":"LUkqY8H8aDEmUYqGBEYu2FmpNpUg8KU7i67DageEbCfgdWvquxUe7SQL6qaHW3DC3v3hFCJe3r7edYYoBonN2Gi"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:43:51.303Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}