Good morning, Quartz readers! Here’s what you need to know Hong Kong is behind Bitcoin’s latest revival. The cryptocurrency rebounded yesterday after Hong Kong approved its first spot Bitcoin and Ether exchange-traded funds (ETFs). Is Bitcoin too speculative? CC Share Subtitles Off English Share this Video Facebook Twitter Email Reddit Link view video Is Bitcoin too speculative? OpenAI is expanding into Asia. Its first office on the continent will be in Tokyo, and Japanese businesses will get