a ver si se ve....
Conflicto entre el campo y el gobierno
From Wiskipedia
They're still mining ptlney of gold, and since gold is fungible you can't really assign particular use to that mining.Your second point seems equally applicable to bitcoin miners. They're providing a valuable service, too creating a global sequence of transactions to prevent double-spending. When new coin creation stops, we'll still need the miners, and we'll pay them with transaction fees.