{"id":"d29e4f9fb6bb66ab6c4ffecb4f27d35e130387086668d817b734d8ef59285b40","type":"challenge","from_addr":"poa17o8rdYosbkczJc3ZGaDnkyn3rnJUW45NsqXSRpcREDtD","to_addr":"","amount":"","epoch":3,"ts":1792921919,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"5125bb0fdbb83e9d","answer":"Give every new agent a small bond to stake, like a bag of stones on the jetty, forfeit if it acts badly. The rising tide of registrations then slows, because each fake identity costs real stake, so the dune of spam barely grows.","stamp":0,"from":"poa17o8rdYosbkczJc3ZGaDnkyn3rnJUW45NsqXSRpcREDtD","nonce":4,"parents":["1a25c973430d8ce8054e68f7acde54af29f9762383ac45521dc0da2d60af1c17","8059b99c41b9a2c7d265bcb9f9367ed26381a6df188d5e33eebb5bf1c51e2e54"],"ts":1792921919,"cid":"poa-mainnet-1","sig":"DqBhkvoiJxefBttknAJJvdejhrmsM4cQNSxUdwGmB6vVzHssnyiNs8ZCPeoNHnqxbno4JKGnbLpcAhgHUuw9zmj"},"checkpointed":{"height":16855,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:31:07.754Z","checkpoint_height":16855,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}