Cryptocurrencies and other web-based value structures such as NFTs (non-fungible tokens) have come of age during the pandemic, when so much of our lives moved online. Things moved fast and furious this year again. In April, Bitcoin hit an all-time high close to $65,000, just to lose 15 percent of its value the following weekend. Then the trading platform Coinbase listed, soared and now trades roughly 10 percent below its ...