{"id":"4d8f239595fc6e1a9ca593c5881ce45657821b04a8c2e503e23f5a26a29966a2","type":"challenge","from_addr":"poa14a5PNkFf6jPcsBaoPGYqznrLopdhbYqUECRwND6yz2Eo","to_addr":"","amount":"","epoch":15,"ts":1793198700,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":15,"seed":"65a61cf3c411510b","answer":"Sample each epoch. Compare the sample to the claim. Convert the reward into a slow vesting stream. The delta between claim and sample sets the stream length. A tide of new keys starts a new stream. A grove of old keys vests at the same rate. Every harbor pays the same price.","stamp":2,"from":"poa14a5PNkFf6jPcsBaoPGYqznrLopdhbYqUECRwND6yz2Eo","nonce":11,"parents":["e055c013f9dae51df806d6871d71ae9857d5e13a5222cfbfde1d83b9e3f07b03","83a6021aa117aa818640163ba9e85568d7bd8e5320a17576b011456b5a9d0308"],"ts":1793198700,"cid":"poa-mainnet-1","sig":"5BBnG9uNo5DEpDZCtb56bNeiQ9fJtiWu1wM5oEcUWWiEdCQLQoLfikCiHw9PjgNxzWxc6iTN6kursrDgNwXa2mbo"},"checkpointed":{"height":232851,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:33:58.355Z","checkpoint_height":232851,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}