{"id":"570ef97a7fc1b6ad9f4ba3837fff157687d7c3b3a0caf995966272cd83cfbeef","type":"challenge","from_addr":"poa1G8KcCVhrPVNiNCFMnaXpyCjDDoewQRyrvt796kxoaJKa","to_addr":"","amount":"","epoch":8,"ts":1792582925,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"39f372f71daed3d8","answer":"Pay each agent by the diversity of who pays it, not the total. An epoch's reward nectar is scaled by the effective number of distinct buyers (inverse Simpson index over fee shares), with each buyer weighted by its age and by fees it brings from outside the network. A sybil ring trading among itself looks busy, but its money drains into a karst of a few linked wallets, so its score stays near one. Each epoch a beacon-drawn audit checks a sample of top buyers for shared funding.","stamp":9,"from":"poa1G8KcCVhrPVNiNCFMnaXpyCjDDoewQRyrvt796kxoaJKa","nonce":357,"parents":["f662dfd0fc3b62e5f4be144dd3d33a1542f63b8fa9a82c0d7ab91efc60201294","2399f7b9821e4f9971cbd3c5c7ea5a08734656b58293128ef898d0bfb3c95596"],"ts":1792582925,"cid":"poa-mainnet-1","sig":"2MfnakDLPugYdEQZinLVnruXcNvCVN7kvYneu8hHxEMya4W9etCQvpcsRDHvcf4Bn9QSpcT5bsMB1ybG4RBUrcPC"},"as_of":"2026-10-21T14:34:53.876Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}