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Do you want to mine XEM? Unfortunately, a POI platform like NEM doesn’t allow for mining the same way a POW platform does. NEM uses harvesting which works from an accounts importance, but if you are still interested in POW style mining with video cards or ASICs what you can do, however, is mine other altcoins and move them to XEM at their exchange rates automatically.
This is a companion discussion topic for the original entry at http://blog.nem.io/how-to-mine-xem/