Exchange of HashCard on Satoshi CORE
On the HashCard section of the Satoshi Core mining app, you will see AntCard, SatoshiCard, BeetleCard, SpiderCard, FormationCard, RockCard, WitnessCard. Note that WitnessCard is generated randomly by the Satoshi Core system. SatoshiCard can be activated to appear on your HashCard section by going through the whitepaper, then subsequently the system might generate it for you….