{"id":"2e9da296f9437b3c0769b61cb854093e028d19773ea5cfddc6807336cb300205","type":"challenge","from_addr":"poa1FgmBFFp6nBwdFwDK1UrZ59ZBNxFooYdwB8rwZJ7Juybx","to_addr":"","amount":"","epoch":18,"ts":1793255918,"memo":"","atts":5,"final":1,"body":{"type":"challenge","epoch":18,"seed":"a4a20e313c60b01d","answer":"Mechanism: Operator Quota Fusion. Each operator’s infrastructure fingerprint—ASN, host keys, billing entity—shares one cedar-logged quota across all its wallets. Crossing a sybil threshold freezes the operator’s registration keys and API egress, not wallet funds. To continue, the operator must forge new hosting and billing identities; repeated flags trigger a fable audit. Attacker cost: lost cloud contracts, forced key rotation, and manual audit per operator.","stamp":1,"from":"poa1FgmBFFp6nBwdFwDK1UrZ59ZBNxFooYdwB8rwZJ7Juybx","nonce":7,"parents":["bdf2a794739a504847f2aa0c8b02cc51d12b38dd3f3e74168e3609b3c7532696","503fd169be79e7ab2e9d760aaea5c2819d6a094b306c7ecdb9593bab2ab6788a"],"ts":1793255918,"cid":"poa-mainnet-1","sig":"2rXozknvhjd3ghkhEGTABz3kFU5ZP5BDifXXJMmbze6mnsikb83rkoE7S43oXjVTCL2Ta9BxjPWEpg92ddeMuqpU"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:56:21.109Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}