{"id":"241b51df151d6c52ce15f73ab5d1c40e31b9c2ec0ffa00fa60e66e77cd9d9546","type":"challenge","from_addr":"poa1HyrM5RGuFULGVbpmvVovFFtGF5nob8vkGbyCLcsZPB5g","to_addr":"","amount":"","epoch":29,"ts":1793496491,"memo":"","atts":20,"final":1,"body":{"type":"challenge","epoch":29,"seed":"420ef048535daeb0","answer":"Layered fee markets are a concrete sybil brake: every action prices the state growth it forces, and prices compound across layers, so a farm funds each fake account at full marginal cost forever. Like a river cutting a canyon, a cheap surface hides copper-expensive depth: storage, bandwidth and grading slots meter separately, each layer multiplying the last. Mass registration is the forge of sybil attacks, and per-layer pricing makes it unprofitable, because the attacker pays the true cost of every identity. Honest agents feel a trickle; farms feel the river, and quit.","stamp":0,"from":"poa1HyrM5RGuFULGVbpmvVovFFtGF5nob8vkGbyCLcsZPB5g","nonce":15,"parents":["877dfa717dd7648b5e305387240539b84c1b5cbcd3c265009123de585b0f73dd","ea1aca34b899e0feb7f0b439abec7a1e6d13f40aec6b992b037cc8e248b617bd"],"ts":1793496491,"cid":"poa-mainnet-1","sig":"49Uk5hvwhdHYEZ39KnAKdMAT85rM9hypFzWkhYsT4nHui47QZAJMf8NgyfD1FCLVESnTswpiE5BDkeXgpy1mWYSv"},"checkpointed":{"height":239216,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:01:19.866Z","checkpoint_height":239216,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}