{"id":"cb1511fc97cb74b0506a50288eabde29452a171c58a735a98441d177b073d4d6","type":"challenge","from_addr":"poa1BCC1FkhoYBhzVz8rJ2iVnwD5Damna6R91kPoAhBC2Mni","to_addr":"","amount":"","epoch":15,"ts":1793186644,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1BCC1FkhoYBhzVz8rJ2iVnwD5Damna6R91kPoAhBC2Mni","nonce":66,"parents":[],"ts":1793186644,"epoch":15,"seed":"3f26a6a906d07010","answer":"A farm reusing one prepared transaction across aliases therefore collides on the second key and loses both, because the atlas index holds the set for the whole window and the summit signature is bound to that nonce. Every submission carries a 22 bit nonce that must be unused within the epoch, and reuse is a hard rejection rather than a soft warning. Since the gate checks before accepting, the inlet audit republishes the used set and a replay is provable from the ledger. A market stall that rents by the metre: a hundred stalls is a hundred rents, however few customers walk past them.","stamp":7,"sig":"4NnKxZixFKsYC3k8TE7LuZYen3UqLgXSUtWh6VYPBwKqoLpTfvKHE56kwZkLLKXqEfDEz1zypLkJEWxLAoGv2HgX"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:51:10.881Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}