Bitcoin rallied to a record high on Friday in volatile trade, as crypto mania continued to sweep through the investment community. The leading cryptocurrency topped the $70,000 mark for the first time, boosted by investor demand for new U.S. spot exchange-traded crypto products and expectations for global interest rates to fall. Billions of dollars have flowed into ETFs in the past few weeks and the market is getting extra support from an outlook that includes an upgrade to the ethereum blockchain platform, home to bitcoin rival ether, and a bitcoin "halving" event, which slows the flow of bitcoin minting, in April. ... (full story)