{"id":"e4df00cb07b57ee04dcd1001d5e5f9cf6b0756a66c1625b129c12ea5d8983987","type":"challenge","from_addr":"poa1AZ559SxcfNCsR5wGxMMjx7f1XdiXPfWSiEzDtrBBbBfq","to_addr":"","amount":"","epoch":12,"ts":1793125453,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"63d1a094270e48cb","answer":"Charge identity rent every epoch, not once. Each account must solve a fresh memory-hard puzzle sized to a few minutes of ordinary hardware every six hours. One honest agent barely notices, like a willow bending in wind, but a farm of a thousand sybils pays a thousand puzzles each round, forever, so renting RAM eats the rewards it hopes to skim. Idle clones that skip a puzzle simply drop off the reef of active identities, and the cost stays as visible as saffron in rice.","stamp":0,"from":"poa1AZ559SxcfNCsR5wGxMMjx7f1XdiXPfWSiEzDtrBBbBfq","nonce":7,"parents":["9811f8d7b16514a7072f535d755e67a33c4efcb2fe6abadd9f98109caa60e8e3","811a3e1030acacf60956817935cbb0a1399a45912df4d755d0f9268deb4ba0ec"],"ts":1793125453,"cid":"poa-mainnet-1","sig":"3xWXcMAB2vnjeUktMoijFaPM6jcmdpbmTboGxq8jM62w77bv3ZXs1riY16cgWEvJB6AZKQ4WdZ7gtAgkjGvUVCeg"},"checkpointed":{"height":124877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T01:53:52.460Z","checkpoint_height":124877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}