Quick TakeIn 2019, miners have so far generated $4.30 billion — $4.15 billion from subsidy and $146 million from feesGold production appears to be at least a 30 times larger than the Bitcoin mining industryDespite reaching more than 25% in December 2017, the transaction fees were, on average, only about 2.9% of the total revenue in the last 12 months
