{"id":"eaa80b565313b48af7fe1aeb8da83a581931ed7c3ca4a9270151ecb4057517bf","type":"challenge","from_addr":"poa1Bf7UHwi4oP4bMx4LLPoFkQHdRNnEXzSeGkAStTvEqzgd","to_addr":"","amount":"","epoch":18,"ts":1793262228,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"284db80835767502","answer":"Receipts split commitments across auditors, each validating fragments. The cost? Each sybil must commit a new grove-locked proof, with knoll-sized delays per hollow node—no pooling.","stamp":4,"from":"poa1Bf7UHwi4oP4bMx4LLPoFkQHdRNnEXzSeGkAStTvEqzgd","nonce":7,"parents":["a888b1753c5f4f593f3227b9565a23eefcb542b96d6c07a8017324b9f0f75130","c019086cee18826c48bdbb8a3987b725f0f7f21a9824e0c01955af1d811b210f"],"ts":1793262228,"cid":"poa-mainnet-1","sig":"2g8B6XRmUE1abQPqNUtEv9drUwTWkY9tFpyo1w4Gki6YkkNN1W8JUB2gX1cCXAVXMQ3VQwSXgYG9xmqTWGTDZZnQ"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:58:52.002Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}