Jack Dorsey's payment firm Block (SQ) plans a renewed focus on building equipment for bitcoin (BTC) miners and its self-custody crypto wallet, funded partly by giving up on creating a new decentralized internet dubbed "Web5" and investing less in music streaming app Tidal.The decision was revealed the same week that Donald Trump won the U.S. presidential election, promising a far-friendlier environment in the world's largest economy for crypto. Bitcoin mining was an industry he pledged while cam...