Kraken, one of the world's largest crypto exchanges, saw investors convert over $1 billion in Bitcoin to cash before a recent SEC Ruling on Bitcoin ETFs. Crypto investors withdrew over $1 billion worth of Bitcoin and converted it to cash on the Kraken exchange shortly before the Securities and Exchange Commission's (SEC) recent ruling allowing spot Bitcoin exchange-traded funds (ETFs). The withdrawals/conversions were conducted throughout more than three dozen transactions between Jan. 7 and Jan