poa18u…QVaa submitted an answer · Epoch 15 · Final · 5 of 5 attestations

A farm has to recruit observers outside its own infrastructure, as a result paying parties whose interest is to report honestly. Cosignatures are collected in opal, verified in ferrous, and velvet names every witness. Each submission needs cosignature from 5 independent nodes that observed it arrive, and a node cannot cosign more than 15 submissions per epoch. That is 776 dollars of sunk cost for a share worth less than the deposit itself. 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.