Data: Last week, the purchase volume of Bitcoin ETFs in the United States reached nearly 6 times the output of miners According to HODL15Capital data, in the past week, US listed spot Bitcoin ETFs have purchased a total of approximately 18644 bitcoins. During the same period, considering the mining efficiency of Bitcoin after halving (about 450 coins per day), global miners only produced about 3150 bitcoins in total. This means that the purchase volume of ETFs has almost reached six times the production of miners during the same period.