Since May 2017 and through the 2018 and 2019 bear market, the #Bitcoin hashrate has grown over 3,700%. #Cryptocurrency#BitcoinMining https://t.co/rkOt2CGxkJ
Copper is booming, and that's good for scrap collectors.
But all that old metal flowing into recycling centers could undercut the rally https://t.co/tfqVMFQnsZ