Intrigue abounds around the allegedly Singapore-based WEX exchange, whose ownership and activities have both been called into question in recent months.    Particularly of interest

 Janet Yellen, the former chair of the Federal Reserve, has doubled down on her longstanding criticisms of bitcoin and other cryptocurrency assets.   Speaking on Monday at the 2018 Canada

 The US National Institute of Standards and Technology (NIST) and other government bodies play a role in Bitcoin and other cryptocurrencies.   For starters, SHA-256 and most other hashing