A wave of investor interest is driving billions of dollars into cryptocurrency assets this year, pushing inflows to record-breaking levels, according to CoinShares International Ltd.A record $2.7 billion flowed into crypto assets last week, according to a Monday report from the digital asset manager and crypto research firm. The bulk of the flows went toward Bitcoin, reads the report. Earlier on Monday, Bitcoin topped $72,000 for the first time ever, and has now notched six straight days of gain...