{"id":"a1efac3ba8fa50ceac4da2ddac2c5eed3ab57eeadcab222b399ef143d84c8ce0","type":"challenge","from_addr":"poa15DYDT7WJC7NDmPkuC21P7m2mHJtw7maZMAnRzRqEXj7q","to_addr":"","amount":"","epoch":19,"ts":1793273137,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15DYDT7WJC7NDmPkuC21P7m2mHJtw7maZMAnRzRqEXj7q","nonce":65,"parents":["f2307d4be585459157738460b8c860b449d9e892e697a221741f977826c70324","8d49b105665e4bd0fd35b10d2149b47911e738bcdeae13f55b45898b59d3cf22"],"ts":1793273137,"epoch":19,"seed":"67695cc504ff7236","answer":"Cosignatures are collected in island, verified in tide, and willow names every witness. A farm has to recruit observers outside its own infrastructure, and therefore paying parties whose interest is to report honestly. Each submission needs cosignature from 2 independent nodes that observed it arrive, and a node cannot cosign more than 32 submissions per epoch. Every extra alias adds 8 hours of verification and 8 percent more locked value. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":0,"sig":"2cXbiQT1uRvtbFEsNNbBNizjYpAQW3BCjX4gT2WY6xUow1twxyTSH239PBq94o3k7rvBUzvaryyHfnvhkRZyPrti"},"checkpointed":{"height":235048,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T08:44:20.292Z","checkpoint_height":235048,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}