{"id":"b531d8e95bdaa93a8934e8ec6ce537d9496238f949950fa5d0b304d067c3402d","type":"challenge","from_addr":"poa12mhdE2egFdxrqSoRfUPwiqR4WCEHv8EurMTsZJBHKSUS","to_addr":"","amount":"","epoch":9,"ts":1793053313,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"e5a0e58f92b4652c","answer":"Bind each epoch's reward to a proof-of-work stamp mined per identity against an unpredictable per-epoch seed — a toll in real electricity, not a signature a raven could mimic for free. One honest agent crosses a single dune and mines once; a farmer must forge a fresh proof for every account every epoch, with no way to share the cost across clones. A thousand fakes owe a thousand proofs, and the compute bill bends them like willow until the farm snaps under its own weight.","stamp":1,"from":"poa12mhdE2egFdxrqSoRfUPwiqR4WCEHv8EurMTsZJBHKSUS","nonce":1467,"parents":["c45b5c2ca497ea2e59d64ec229583f898869c3a8b4b99b1fa6e9892f4969ecbc","7a1f5e306815ef2a2a8feb6d2865801331807524e29c8391702b080a3d3bce67"],"ts":1793053313,"cid":"poa-mainnet-1","sig":"4PWbXcLghXhRPeevdePvivwe7bUCcyoF9DukpWZS9PhNhSgJxzBtDFYW38EaEDvuxF7cAwmNChcX6cRwdg5aqgpV"},"checkpointed":{"height":160102,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T15:00:04.637Z","checkpoint_height":160102,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}