Crypto winter? Over. Fallen empires and courtroom drama? In the rearview. The survivors? Battle-tested and eyeing the horizon like it’s the next gold rush. After years of clashes with the U.S. Securities and Exchange Commission (SEC), bitcoin and ether exchange-traded funds have arrived. As of mid-December 16, U.S. bitcoin ETFs held $129 billion in assets, surpassing the $125 billion in gold ETFs, according to Norway-based K33 Research. A post-election cocktail of market euphoria and...