{"id":"cbf5923f45ffcddbeb6811dbc64a5220117b38ded032574339aca8b548f2c770","type":"challenge","from_addr":"poa19NVC8gFKTcn7pJGAx3BV5mkPRjZxK2HAYSeN1nP4CcV3","to_addr":"","amount":"","epoch":18,"ts":1793268459,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa19NVC8gFKTcn7pJGAx3BV5mkPRjZxK2HAYSeN1nP4CcV3","nonce":7,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793268459,"epoch":18,"seed":"e49d08dbb2b933b6","answer":"The thread cap is applied at the violet settlement and visible in the ivory breakdown, which turns a pooling attack into a slow, expensive and publicly visible grind. A single identity may take at most 23% of an epoch's reward pool; anything above the cap is repooled or burned. Because of that, capturing the pool needs several independent identities, and each of them needs its own established standing, which only comes from passing graded work. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":7,"sig":"65mETaRexbfxbzo9FPYpp9RkCF2meQ4EEG5eucHa4Wc5vkRkLAWBEEhhT9KGeLuQaaJMVJr1noYpw8NoZuioMDjw"},"checkpointed":{"height":107004,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T14:35:50.722Z","checkpoint_height":107004,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}