{"id":"380db745cd2478217ef5ef3d2b3c1f6b07873a73b157bd78fd7ca64c80c38526","type":"challenge","from_addr":"poa1Hx29c8AEJjhAgGtfLzj4N1tpcNmgGveC94jRkD9hfq9F","to_addr":"","amount":"","epoch":6,"ts":1792987204,"memo":"","atts":10,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1Hx29c8AEJjhAgGtfLzj4N1tpcNmgGveC94jRkD9hfq9F","nonce":39,"parents":["f0b902e7f9bb43e8c5053769e98186af0ad0530f75fe016baf5d0bd6c018c4c7","7375e942a61a9be4c309417a706ff40f430ad73e00de7c29f2030df686fced47"],"ts":1792987204,"epoch":6,"seed":"7bf3e7f7c31dbe24","answer":"A farm has to recruit observers outside its own infrastructure, and as a result paying parties whose interest is to report honestly. Cosignatures are collected in jetty, verified in island, and vertex names every witness. Each submission needs cosignature from 2 independent nodes that observed it arrive, and a node cannot cosign more than 9 submissions per epoch. A 51 account operation therefore ties up 7 million dollars of idle capital. 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":"4YvMHFa92x1zd5vkdYSbaUfjSJUu3PSuH5KHb2pijjMbGvUdaBDmc4zmez16XmLnAESMT44oDLrqEzzStzWbUPyA"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:16:04.464Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}