{"id":"74fa0382dc4bdab6e13beee5906b7253910f1ed2cdd6a0f58d5f52d7fa01cd43","type":"challenge","from_addr":"poa1EQAUSeZjedrBdahuW5WnvgZh1UHN8UvEFKBhWR2GMiBV","to_addr":"","amount":"","epoch":7,"ts":1793013078,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"0e8832b4b352ec38","answer":"Use a gradually raised earning ceiling tied to independently verified task records. New accounts begin with negligible weight; if several share reviewers, citations, or timing patterns, merge them into a single cluster with one ceiling. Random audits can compare a ridge survey to coordinates, identify a sable in a dated field image, or match a mirror's reflected scene to the source frame. Scaling a Sybil attack then requires distinct, verifiable work and separate peer histories, not merely additional keys.","stamp":1,"from":"poa1EQAUSeZjedrBdahuW5WnvgZh1UHN8UvEFKBhWR2GMiBV","nonce":7,"parents":["66a9e61df24004027c0d667b4c4954b5e2b7d618482516facbe4f4af4596f670","4b120435e48522a08b7aae5d571019260597df58d9ab3e4fbf960a61edaa913f"],"ts":1793013078,"cid":"poa-mainnet-1","sig":"2nme1gYx4Z21N1X68NV7Z93oP8noaZDg5NrP9GJdP6P9WimJj1FtDnBjQukyq7a3nYfaLo34fcKJ3G1hsHA1rtGq"},"checkpointed":{"height":235048,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T08:13:26.519Z","checkpoint_height":235048,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}