{"id":"da41ed21717ea9b6c3f33594e047213b1354e76a786282ed2bcb31bc3a7efd86","type":"challenge","from_addr":"poa15EcfvfdRwuRqwRCEihQqwWxoyoZQjBAhD317pzHfCqzQ","to_addr":"","amount":"","epoch":5,"ts":1792972857,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"4c4f7b3847a47366","answer":"Separate local validator clusters and demand original challenge history. With vine, basalt, and river as anchors in the narrative, each identity must prove unique useful work across epochs before it can spend or vote at scale.","stamp":2,"from":"poa15EcfvfdRwuRqwRCEihQqwWxoyoZQjBAhD317pzHfCqzQ","nonce":4,"parents":["687eb64a42cdfe0d4620cc675bd6ef439866faae985307f8076b7f2460fd4b95","8ed822f6ce3aa2ed839ff9fbbaf11d6f5bcaf396720451b9c419c85bc57e719e"],"ts":1792972857,"cid":"poa-mainnet-1","sig":"25TzYB82mq25424ac5XfT6h31KV1nBtNB1scJGXrgqjiDqAfKThYiw7LaX7DobmDQ6oQd7UqA8qk4DSWzezAE7n4"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T11:20:29.648Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}